Hillary

Go through the Math in Focus Grade 1 Workbook Answer Key Chapter 17 Practice 1 Addition Without Regrouping to finish your assignments.

Math in Focus Grade 1 Chapter 17 Practice 1 Answer Key Addition Without Regrouping

Add by counting on.

Example

Question 1.
85 + 3 = ____________

Answer:
85 + 3 = 88

Explanation:
85 + 3
When add 1 to the a number the sum is number after.
Add by counting on increasing 1  to the given addend as shown above,
till we get the sum.
85,86,87, and 88.

Question 2.
62 + 6 = _____________

Answer:
62 + 6 = 68

Explanation:
62 + 6
When add 1 to the a number the sum is number after.
Add by counting on increasing 1  to the given addend as shown above,
till we get the sum.
62,63,64,65,66,67 and 68.

Add.

Question 3.

Answer: 57
Explanation:
Add 4 to 53 to get the sum
So, 53 + 4 = 57

Question 4.

Answer: 99
Explanation:
Add 7 to 92 to get the sum
So, 92 + 7 = 99

Question 5.

Answer: 88
Explanation:
Add 5 to 83 to get the sum
So, 80 + 8 = 88

Question 6.

Answer: 49
Explanation:
Add 9 to 40 to get the sum
So, 40 + 9 = 49

Question 7.

Answer: 65
Explanation:
Add 5 to 60 to get the sum
So, 60 + 5 = 65

Question 8.

Answer: 77
Explanation:
Add 7 to 77 to get the sum
So, 70 + 7 = 77

Fill in the missing numbers.

Question 9.
5 + 82 = ____________

Answer:
5 + 82 = 87

Explanation:
Write the addends individually in their place values,
then regroup the ones
2 + 5 = 7
Add the regrouping ones value to tens
80 + 7 = 87

Question 10.
93 + 2 = _____________

Answer:
93 + 2 = 95

Explanation:
Write the addends individually in their place values,
then regroup the ones
2 + 3 = 5
Add the regrouping ones value to tens
90 + 5 = 87

Add.

Question 11.

Answer: 70

Explanation:
The sum is always greater than the numbers being added.
When we change the order of numbers while adding, the sum does not change.
20 + 50 = 70

Question 12.

Answer: 83

Explanation:
The sum is always greater than the numbers being added.
When we change the order of numbers while adding, the sum does not change.
60 + 23 = 83

Question 13.

Answer: 77

Explanation:
The sum is always greater than the numbers being added.
When we change the order of numbers while adding, the sum does not change.
37 + 40 = 77

Question 14.

Answer: 98

Explanation:
The sum is always greater than the numbers being added.
When we change the order of numbers while adding, the sum does not change.
53 + 45 = 98

Question 15.

Answer: 87

Explanation:
The sum is always greater than the numbers being added.
When we change the order of numbers while adding, the sum does not change.
63 + 24 = 87

Question 16.

Answer: 59

Explanation:
The sum is always greater than the numbers being added.
When we change the order of numbers while adding, the sum does not change.
47 + 12 = 59

Fill in the missing numbers.

Question 17.
56 + 23 = ___________

Answer: 79

Explanation:
The given addends are arranged according to place values.
The sum is always greater than the numbers being added.
When we change the order of numbers while adding, the sum does not change.
56 + 23 = 79

Question 18.
86 + 13 = ___________

Answer: 99

Explanation:
The given addends are arranged according to place values.
The sum is always greater than the numbers being added.
When we change the order of numbers while adding, the sum does not change.
86 + 13 = 99

Match.

Question 19.

Answer:

Explanation:
From the above information,
if we add the given addends of each we get the sum.
89 = 40 + 49
85 = 54 + 31
77 = 72 + 5
42 = 0 + 42
90 = 20 + 70

Go through the Math in Focus Grade 1 Workbook Answer Key Chapter 18 Multiplication and Division to finish your assignments.

Math in Focus Grade 1 Chapter 18 Answer Key Multiplication and Division

Put On Your Thinking Cap!

Challenging Practice

Lena collects erasers. Look at the picture. Then fill in the blanks.

Question 1.
Lena has __________ erasers.
Answer:
20 erasers
Explanation:
Lena has 20 erasers.
Count the number of groups.
Then arrange the erasers in each group equally
5 fours = 20

Question 2.
She puts the erasers equally into 5 boxes. How many erasers are in each box? __________
Answer:
4 erasers are in each box.

Explanation:
Lena has 20 erasers.
She want to put the erasers in 5 boxes
20 ÷ 5 = 4

Question 3.
She puts the erasers equally into 4 boxes. How many erasers are in each box? __________
Answer:
5 erasers are in each box.
Explanation:
Lena has 20 erasers,
she want to put in 4 boxes.
4 fives = 20
4 x 5 = 20

Question 4.
She puts 10 erasers into each box. How many boxes does she need? __________
Answer:
2 boxes does she need
Explanation:
Lena has 20 erasers,
She puts 10 erasers into each box.
10 x 2 = 20
So, she need 2 boxes.

Question 5.
She puts 4 erasers into each box. How many boxes does she need? __________
Answer:
5 boxes she needed.
Explanation:
Lena has 20 erasers.
She puts 4 erasers into each box.
5 fours = 20
5 x 4 = 20

Put On Your Thinking Cap!

Problem Solving

Solve.

There are 8 squares and 12 triangles. Put an equal number of each shape into each group.

Question 1.
Put them into 2 groups.

There are __________ ☐ in each group.
There are __________ △ in each group.
There are __________ shapes in each group.
Answer:

There are 4 ☐ in each group.
There are 6 △ in each group.
There are (△ and ☐) 2 shapes in each group.
Explanation:
Count the number of triangles and squares.
Then put them into 2 groups equally.
Triangles = 8 ÷ 2 = 4
Squares = 8 ÷ 2 = 4
So, There are (△ and ☐) 2 shapes in each group.

Question 2.
Put them into 4 groups.
There are __________ ☐ in each group.
There are __________ △ in each group.
There are __________ shapes in each group.
Answer:
There are 2 ☐ in each group.
There are 3 △ in each group.
There are (△ and ☐) 2 shapes in each group.
Explanation:
Count the number of triangles and squares.
Then put them into 4 groups equally.
Triangles = 8 ÷ 4 = 2
Squares = 8 ÷ 4 = 2
So, There are (△ and ☐) 2 shapes in each group.

Chapter Review/Test

Vocabulary

Choose the correct word.

same
groups

Question 1.

The picture shows equal ____________
Answer: groups
The picture shows equal groups
Explanation:
The above picture shows the groups,
because total number of stars are equally divided into 3 groups.
So, stars are arranged in groups.

Question 2.
By adding the ____________ number, you will have 9 ★ in all.
Answer:
By adding the same number, you will have 9 ★ in all.
Explanation:
The above picture shows the groups of tar,
which are equally divided into 3 groups.
Then add the same number of stars  to the other to get the sum.

Concepts and Skills

Fill in the blanks.

Question 3.
2 + 2 + 2 = ____________
3 twos = ____________
Answer:
2 + 2 + 2 = 6
3 twos = 6
Explanation:
The sum is 6,
6 is equally divided into 3 groups,
each group has 2 numbers.

Question 4.
5 + 5 + 5 + 5 = ____________
4 fives = ____________
Answer:
5 + 5 + 5 + 5 = 20
4 fives =20
Explanation:
The sum is 20,
20 is equally divided into 3 groups,
each group has 5 numbers.

Match.

Question 5.

Answer:

Explanation:
5 threes  is written as 3+3+3+3+3
3 is arranged in 5 groups.
4+4+4+4 is written as 16
16 is divided in 4 groups.
7+7+7 is written as 7 threes,
7 is arranged in 3 groups.
3+3+3+3+3+3+3 is written as 3 sevens,
3 is arranged in 7 groups.
7 twos is written as 7+7,
7 is arranged in 2 groups.

Question 6.
A farmer has 16 chickens. He puts 8 chickens in a coop. How many coops does he need?

He needs ____________ coops.
Answer:
2 coops
Explanation:
A farmer has 16 chickens.
He puts 8 chickens in a coop.
Total coops does he need
2 coops does he need
2 eights = 16
2 x 8 = 16

Question 7.
There are 20 seeds. Put an equal number of seeds in each pot.

There are ____________ seeds in each pot.
Answer:
10 seeds in each pot
Explanation:
There are 20 seeds.
Put an equal number of seeds in each pot.
10 x 2 = 20
2 tens = 20

Go through the Math in Focus Grade 1 Workbook Answer Key Chapter 18 Practice 2 Sharing Equally to finish your assignments.

Math in Focus Grade 1 Chapter 18 Practice 2 Answer Key Sharing Equally

Look at the pack of fish crackers. Then fill in the blanks.

Question 1.

There are ___________ fish crackers in all.
How many fish crackers are in each pack? ___________
Answer:
There are 6 fish crackers in all.
2 fish crackers are in each pack.
Explanation:
Count the number of groups.
Then count the number of fishes in each group.

Question 2.

There are ___________ fish crackers in all.
How many fish crackers are in each pack? ___________
Answer:
There are 12 fish crackers in all.
Each pack there are 4 fishes,
Explanation:
Count the number of groups.
Then count the number of fishes in each group.

Look at the pictures. Then fill in the blanks.

Question 3.

There are ___________ mice in all.
There are ___________ tubs.
There are ___________ mice in each tub.
Answer:

There are 4 mice in all.
There are 2 tubs.
There are 2 mice in each tub.
Explanation:
Count the number of tubs = 2
Then count the number of mice in each tub.
2 + 2 = 4 mice.

Question 4.

There are ___________ monkeys in all.
There are ___________ trees.
There are ___________ monkeys on each tree.
Answer:
15 monkeys.

There are 15 monkeys in all.
There are 3 trees.
There are 5 monkeys on each tree.
Explanation:
Count the number of trees = 3
Then count the number of monkeys on each tree.
5+5+5 = 15 monkeys.

Look at the pictures. Then fill in the blanks.

Question 5.

There are ___________ dogs in all.
There are ___________ dog houses.
There is ___________ dog in each dog house.
Answer:
There are 4 dogs in all.
There are 4 dog houses.
There is 1 dog in each dog house.

Explanation:
Count the number of dog houses = 4
Then count the number of dogs in each dog house.
1+1+1+1 = 4 dogs

Question 6.

There are ___________ cats in all.
There are ___________ baskets.
There are ___________ cats in each basket.
Answer:
There are 12 cats in all.
There are 3 baskets.
There are 4 cats in each basket.

Explanation:
Count the number of baskets are 4
Then count the number of cats in each basket.
4+4+4+4 = 12 cats

Fill in the blanks.

Dylan is cleaning the shoe rack. He has to put 8 shoes equally into 4 groups.

He puts 1 shoe in each group.

Then he puts 1 more in each group.

Example
Each group has 2 shoes.

Fill in the blanks.

Question 7.
Martin is in the garden. He has to put 10 flowers equally into 2 groups.

Martin puts 2 books in each group. Help Martin put the rest of the books equally in each group.

Each group has ___________ flowers.
Answer:
Each group has 5 flowers.

Explanation:Explanation:
Count the number of groups = 2
Then count the number of flowers in each group.
5 + 5 = 10

Question 8.
Martin is in the library now. He has to put 15 books equally into 5 groups.

Martin puts 2 books in each group. Help Martin put the rest of the books equally in each group.

Each group has ____________ books.
Answer:
3 books
Explanation:
Count the number of groups.
Then count the number of books in each group.

5 x 3 = 15
3 + 3 + 3 + 3 + 3 = 15 books

Draw. Then fill in the blanks.

Question 9.
There are 12 peanuts. Draw an equal number of peanuts in each bag.

There are ____________ in each bag.
Answer:
6 peanuts in each bag.
Explanation:
Count the number of bags.
Then distribute the peanuts equally in 2 bags.

Question 10.
There are 16 marbles. They are shared equally by 4 children. In each bag, draw an equal number of marbles for each child.

Each child gets ____________ marbles.
Answer:
Each child gets 4 marbles.
There are 16 marbles.
They are shared equally by 4 children.
So, each child gets 4 marbles.

Fill in the blanks.

Question 11.
There are 10 toys. Suki packs them into 5 boxes equally. How many toys are in each box?

There are ____________ toys in each box.
Answer:
There are 2 toys in each box.
Explanation:
There are 10 toys.
Suki packs them into 5 boxes equally.
There are 2 toys in each box.

Question 12.
There are 6 balloons. They are shared equally by 3 children. How many balloons does each child get?

Each child gets ____________ balloons.
Answer:
Each child gets 2 balloons.
Explanation:
There are 6 balloons.
They are shared equally by 3 children.
Each child gets 2 balloons.

Fill in the blanks.

Question 13.
Put 18 coins into 3 equal groups.

There are ____________ coins in each group.
Answer:
There are 6 coins in each group.
Explanation:
Count the number of coins = 18
Then divide these coins equally in 3 groups.

Question 14.
Put 20 pencils info 5 equal groups.

There are ____________ pencils in each group.
Answer:
4 pencils in each group.
Explanation:
Total number of pencils = 20
Then divide the pencils equally in 5 groups.
4 +4+4+4+4 = 20

Go through the Math in Focus Grade 1 Workbook Answer Key End-of-Year Review to finish your assignments.

Math in Focus Grade 1 End-of-Year Review Answer Key

Multiple Choice

Fill in the circle next to the correct answer.

Question 1.
Which month has less than 31 days?
(A) January
(B) March
(C) April
(D) October
Answer:
Option(C)
Explanation:
January, March and October has 31 days,
while April has 30 days.

Question 2.
Nina works from Wednesday to the following Monday. How many days does she work?
(A) 5
(B) 6
(C) 1
(D) 8
Answer:
Option(B)
Explanation:
1 week has 7 days, from Monday to Sunday
Nina works from Wednesday to the following Monday.
So, she works for 6 days.

Question 3.
_________ is the season that comes after Spring.
(A) Summer
(B) Hot
(C) Winter
(D) Fall
Answer:
Option(A)
Explanation:
Summer (Grishma Ritu) comes after spring season.
In the northern hemisphere, the summer months are considered June, July and August;
however, in the southern hemisphere, the summer months are December, January and February.

Question 4.
The _________ has a value of 5¢.

Answer:
Option(D)
Explanation:
1 nickel = 5¢
1 dime = 10¢
1 penny = 1¢
1 quarter = 25¢
So, the nickel has the value of 5¢.

Question 5.
What is the value of the coins?

(A) 7¢
(B) 19¢
(C) 29¢
(D) 34¢
Answer:
Option(C)
Explanation:
2 dimes + 1 nickel + 4 pennies
1 nickel = 5¢
1 dime = 10¢
1 penny = 1¢
20¢ + 5¢ + 4¢ = 29¢

Question 6.
This is the money Shari has.

She buys a red ribbon for 15¢. How much money does she have left?
(A) 43¢
(B) 53¢
(C) 50¢
(D) 87¢
Answer:
Option(A)
Explanation:
Shari has total amount of 1 quarter + 2 dimes + 2 nickels + 3 pennies
= 25¢ + 10¢ + 10¢ + 5¢ + 5¢ + 1¢ + 1¢+ 1¢
= 58¢
She buys a red ribbon for 15¢.
Total money left with her after purchasing
58¢ – 15¢ = 43¢

Question 7.
55¢ + 12¢ = ?
(A) 35¢
(B) 53¢
(C) 67¢
(D) 75¢
Answer:
Option(C)
Explanation:
In addition the sum is always greater than the addends.
55¢ + 12¢ = 67¢

Question 8.
The third Friday in July is July 17. What will the fourth Friday be?
(A) July 24
(B) July 22
(C) July 15
(D) August 1
Answer:
Option(A)
Explanation:
There are 7 days in 1 week.
They repeat after every 7 days.
So, fourth Friday will be on July 24.

Question 9.
65 comes just before ___________.
(A) 55
(B) 64
(C) 66
(D) 75
Answer:
Option(C)
Explanation:
65 is a successor of 66.
So, 65 comes just before 66.

Question 10.

3 tens and 6 ones is the same as ___________.
(A) 8
(B) 11
(C) 36
(D) 83
Answer:
Option(C)
Explanation:
3 tens means 30
6 ones means 6
So, 30 + 6 = 36

Question 11.
Look at the number pattern. Which number comes next?
28, 31, 34, 37, 40 ___________
(A) 31
(B) 41
(C) 43
(D) 50
Answer:
Option(C)
Explanation:
Rule n + 3
n is the first number of the given series.
28 + 3 = 31
31 + 3 = 34
34 + 3 = 37
37 + 3 = 40
40 + 3 = 43

Question 12.
10 more than 65 is ___________.
(A) 55
(B) 56
(C) 85
(D) 75
Answer:
Option(D)
Explanation:
Adding 10 to 65 makes 75.
so, 10 more than 65 is 75.

Question 13.
Add 16 to 57.
(A) 13
(B) 63
(C) 73
(D) 83
Answer:
Option(C)
Explanation:
Add the given addends to get the sum.
The sum is always greater the addends.
16 + 57 = 73

Question 14.
Find the missing number.
__________ 15, 25, 35, 45
(A) 0
(B) 5
(C) 10
(D) 55
Answer:
Option(C)
Explanation:
The given series is a multiple of 5
so, the missing number is 10.

Question 15.
Subtract.

(A) 9
(B) 11
(C) 19
(D) 81
Answer:
Option(A)
Explanation:

Subtract the smaller number from bigger number.
The number 5 in ones place is less than 6,
so borrow 1 from the 4 of tens place.
Regroup ones and tens to find the difference.

Question 16.
Add mentally. 15 + 24 = ____________
(A) 7
(B) 13
(C) 39
(D) 35
Answer:
Option(C)
Explanation:
10 + 20 = 30.
5 + 4 = 9.
Finally, we add the sum of the tens sum and the sum of the ones:
30 + 9 = 39.
Therefore, 15 + 24 = 39.

Question 17.

There are __________ stickers in all.
(A) 6
(B) 12
(C) 24
(D) 30
Answer:
Option(D)
Explanation:
Each sticker sheet contains 6 stickers.
Total sheets are 5
Number of stickers in all 5 x 6 = 30

Question 18.
There are ___________ squares in the figure.

(A) 3
(B) 4
(C) 5
(D) 6
Answer: 3
Explanation:
The above picture has 3 squares.
The rest are 2 rectangles and 3 triangles.

Question 19.

The pencil is about _________ long.
(A) 8
(B) 2
(C) 6
(D) 4
Answer:
Option(D)
Explanation:
From the above information each one  represent as 1 unit.
So, the pencil is about 4.

Short Answer Write the number in words.

Question 20.
11 ___________
Answer:
Eleven
Explanation:
Expanded form or expanded notation is a way of writing numbers to see the math value of individual digits.
When numbers are separated into individual place values they can also form a mathematical expression.
10 + 1 = 11
It can also be written in words as,
Eleven

Question 21.
87 ____________
Answer:
Eighty Seven
Explanation:
Expanded form or expanded notation is a way of writing numbers to see the math value of individual digits.
When numbers are separated into individual place values they can also form a mathematical expression.
80 + 7 = 87
It can also be written in words as,
Eighty Seven.

Write the number.

Question 22.
fifty-four ___________
Answer: 54
Explanation:
Expanded form or number in words are separated into individual place values.
50 + 4 = 54

Question 23.
twenty-six ____________
Answer: 26
Explanation:
Expanded form or number in words are separated into individual place values.
20 + 6 = 26

Look at the pictures. Then fill in the blanks.

Question 24.
Order the bags from lightest to heaviest.

Answer: BCA

Explanation:
When C and B weighed B is lighter than C.
When C and A weighed C is lighter than A.
When compared all the 3 weights the order of lightest is BCA.

Look at the picture. Then fill in the blanks. Use Ο as 1 unit.

Question 25.
The weight of the apple is about ___________ units.
Answer: O
Explanation:
From the above given information 1 unit is represented as O.
So, the weight of the apple is about O units.

Question 26.
The weight of the watermelon is about ___________ units.
Answer: O
Explanation:
From the above given information 1 unit is represented as O.
So, the weight of the watermelon is about O units.

Question 27.
The ___________ is heavier than the _________.
Answer:
The beads are heavier than the watermelon.
Explanation:
From the above given information 1 unit is represented as O.
The weight of the watermelon and apple is about O units.
The weight of beads are 11 units.
The beads are heavier than the watermelon.

Look at each picture. Then write the time.

Question 28.

Answer:
9:30
Explanation:
In Clock there are 2 hands,
one is short hand denotes hours and long hand denotes minutes.
In the above clock the short hand is between 10 and 9
Long hand is on 6.
So the time is 9:30

Question 29.

Answer:
3’O clock
Explanation:
In Clock there are 2 hands,
one is short hand denotes hours and long hand denotes minutes.
In the above clock the short hand is on 3 and long hand is on 12.
So the time is 3’O clock

Question 30.
Look at the picture. Then write the number in words.

Answer: 57
Explanation:
The above picture has 5 bars which represents 10 blocks in each bar.
7 individual blocks.
50 + 7 = 57

Question 31.
Order the numbers from greatest to least.

Answer:

Explanation:
Arrange the given numbers from greatest to least or ascending order.
Ascending order means big to small.
75, 41, 29, 14

Circle the two numbers that add up to 4 tens and 4 ones.

Question 32.
24 27 51 30 17
Answer:
27 and 17
Explanation:
If we add 27 and 17 we get 4 tens and 4 ones.

Add the 2nd and 5th numbers.

Question 33.

Answer: 65
Explanation:
In the given table the numbers are arranged in order,
like 1st number 37, 2nd number 20, 3rd number 19,
4th number 62, 5th number 45, 6th number 83 and 7th number 51.
By adding 2nd and 5th numbers,
we get 20 + 45 = 65

Question 34.
Subtract 6 tens 4 ones from 8 tens 2 ones.
Answer: 18
Explanation:
6 tens = 60 and 4 ones = 4
60 + 4 = 64
8 tens = 80 and 2 ones = 2
80 + 2 = 82
Subtract 6 tens 4 ones from 8 tens 2 ones.
82 – 64 = 18

Name the shape that is shaded.

Question 35.

Answer:
Right Angle
Explanation:
When two straight lines intersect each other at 90˚ or perpendicular to each other at the intersection,
they form the right angle.
A right angle is represented by the symbol ∟.

Look at the number line. Fill in the missing numbers.

Question 36.

Answer:

Explanation:
add n + 5 rule
next number is add 5
n = 45
45 + 5 = 50
50 + 5 = 55
55 + 5 = 60
60 + 5 = 65
65 + 5 = 70
70 + 5 = 75
75 + 5 = 80
80 + 5 = 85

Look at the picture. Circle the correct word.

Question 37.

a. Liz is first __________ last from the left.
Answer:
Liz is first  from the left and Ethan is  last from the left.

b. Ethan is in front of __________ behind Anita.
Answer:
Liz in front of Anita and Ethan behind Anita.
Explanation:
From the picture given above all the 3 friends are standing one after the other.
First is Liz, second is Anita and 3rd is Ethan.
So, Liz is first  from the left and Ethan is  last from the left.
Liz in front of Anita and Ethan behind Anita.

Extended Response

The picture graph shows the favorite food of 12 children.

Question 38.
Favorite Food

Solve.
a. The same number of children named fish and soup as their favorite food.
Draw to show the number of children who like soup.
Answer:

Explanation:
Total number of children 12.
Number of children liked fish as their favorite food are 2.
From the given information the same number of children named fish and soup as their favorite food.
2 children likes soup.

b. ____________ is the favorite food for the most children.
Answer:
Pasta is the favorite food for the most children.
Explanation:
Total number of children 12.
From the above given information,
2 children liked fish as their favorite food.
2 children liked Soup as their favorite food.
3 children liked chicken as their favorite food.
7 children liked other food as their favorite food.
Most of the children like Pasta as their favorite food.
so, 12 – 7 = 5

Ten families live on the same street. Every family has one pet. The picture shows their pets.

Complete the tally chart to show the pet data. Then answer the questions.

Question 39.

Answer:

a. How many pets are there in all?
Answer: 10
b. Which pet has the greatest number?
Answer: cat
6 cats are there

Make a bar graph using the data from the tally chart.

c.

Answer:

Explanation:
From the above tally chart there are 2 Hamsters, 6 Cats and 2 Birds.
Total pets are 10.
Mot of the families have cats as pets.

Solve.

Question 40.
Sam has 32 marbles He puts all the marbles in bags. He puts 4 marbles in each bag. How many bags does he use?

He uses _____________ bags.
Answer: 8
He uses 8 bags.

Explanation:
Sam has 32 marbles.
He puts all the marbles in bags.
He puts 4 marbles in each bag.
Number of bags does he use are 8.

Go through the Math in Focus Grade 1 Workbook Answer Key Chapter 19 Money to finish your assignments.

Math in Focus Grade 1 Chapter 19 Answer Key Money

Math Journal

Susan and Marta place all their money on a table.

Write sentences about the money you see. Say what you can buy with it.

Example
There are eight dimes. There are __________ coins in all. I can exchange 2 nickels with _________. I can buy _________ with 50¢.

Question 1.
how many quarters are there, and the sum of the quarter coins is ?
Answer:
There are 4 quarter coins, and the sum of the quarter coins is $1.
Explanation:
1 quarter = 25¢
4 quarters = 25¢ + 25¢ + 25¢ + 25¢ = $1

Question 2.
find the sum of nickels and pennies place on the table
Answer: 14¢
Explanation:
2 nickels and 4 pennies are there on the table
1 nickel = 5¢
1 penny = 1¢
5¢ +5¢ + 1¢ + 1¢ + 1¢ + 1¢ = 14¢

Question 3.
How many coins placed on the table?
Answer:
18 coins
Explanation:
8 dimes, 4 quarters, 2 nickels and 4 pennies are there on the table.
Total coins = 8 + 4 + 2 + 4 18

Question 4.
what is the total value of the money placed on the table in ¢
Answer: 194¢
Explanation:
8 dimes, 4 quarters, 2 nickels and 4 pennies are there on the table.
1 dime = 10¢
1  quarter = 25¢
1 nickel = 5¢
1 penny = 1¢
Total money placed on table
= 8 x 10 + 4 x 25 + 2 x 5 + 4 x 1
= 80 + 100 + 10 +4
= 194¢

Put On Your Thinking Cap!

Challenging Practice

Circle the coins to show the amount. Use the least number of coins.

Question 1.

Answer:

Explanation:
2 quarters = 50¢
1 quarter = 25¢
25¢ + 25¢ = 50¢

Question 2.

Answer:

Explanation:
1 quarter + 2 dimes + 1 penny
1 quarter = 25¢
1 dime = 10¢
1 penny = 1¢
25¢ + 10¢ + 10¢ + 1¢ = 46¢

Question 3.

Answer:

Explanation:
1 dime + 1 nickel + 4 pennies
1 dime = 10¢
1 nickel = 5¢
1 penny = 4¢
10¢ + 5¢ + 4¢ = 19¢

Solve.

Does Jordan have enough money?

Question 4.

Answer: 5¢
75¢ – 70¢ = 5¢

Explanation:
Tordon has 3 quarters.
1 quarter = 25¢
25¢ + 25¢ + 25¢ = 75¢
Cost of soft drink = 70¢
75¢ – 70¢ = 5¢

Question 5.

Answer: 2¢
35¢ – 33¢ = 2¢

Explanation:
Tardon has 3 dimes and 1 nickel
1 dime = 10¢
1 nickel = 5¢
Total amount he has = 30¢ + 5¢ = 35¢
Cost of ball = 33¢
Total change he get back
= 35¢ – 33¢ =2¢

Question 6.

Answer: 24¢
79¢ – 55¢ = 24¢

Explanation:
2 quarters and 1 nickel
1 quarter = 25¢ and 1 nickel = 5¢
Total amount he has = 25¢ + 25¢ + 5¢ = 55¢
Cost of a pair of socks = 79¢
Total change he needs = 79¢ – 55¢ = 24¢

The picture graph shows the coins Britney has in her piggy bank.

Coins in Britney’s Piggy Bank

Find the value of the coins in Britney’s piggy bank.
Answer: 60¢
Explanation:
1 dime = 10¢
4 dimes x 10¢ = 40¢
1 nickel = 5¢
3 nickels x 5¢ = 15¢
1 penny = 1¢
5 pennies x 1¢ = 5¢
Total coins = 40¢ +15¢ +5¢ = 60¢

Put On Your Thinking Cap!

Problem Solving

Question 1.
Kenny wants to buy these juices.

He uses four coins. Draw the coins Kenny uses.
Answer:

Explanation:
He uses 1 quarter and 1 nickel for orange juice
25¢+5¢ for orange juice and
He uses 2 dimes for apple juice
10¢ +10¢ for apple juice
Total 4 coins he used are one quarter and one nickel and two dimes.

Solve. Show your work.

Question 2.
Brenda has less than 95¢. After buying a pen, she has 15¢ left. Which pen does she buy?

She buys __________.
Answer:
Pen A
Explanation:
Brenda has less than 95¢.
After buying a pen, she has 15¢ left.
Cost of pen A = 60¢
60¢ + 15¢ = 75¢
75¢ is less then 95¢

Question 3.
Keith has more than 70¢ but less than 90¢. He buys one of the food items. He has 12¢ left. Which food does he buy?

He buys the _____________.
Answer:
He buys Orange and Pear
Explanation:
Keith has more then 70¢ and less the 90¢
Cost of orange 30¢
Cost of pear 43¢
Cost of bananas 12¢
Total food he bought
30¢ + 43¢ + 12¢ = 85¢
85¢ is more then 70¢ and less the 90¢

Rex wants to buy a balloon for 45¢ He has quarters, dimes, and nickels. He can make 45¢ in 8 ways.

Write the correct number of coins.

Answer:

Chapter Review/Test

Vocabulary

Choose the correct word.

quarter
less
penny
dime
nickels

Question 1.
A ___________ has a value of 10¢.
Answer:
Dime
Explanation:
A dime has a value of 10¢.

Question 2.
A ___________ has a value of 25¢.
Answer:
Quarter
Explanation:
A quarter has a value of 25¢.
It means one fourth of Dollar.

Question 3.
A dime is ___________ than a quarter.
Answer: less
Explanation:
1 dime = 10¢
1 quarter = 25¢
So, dime is less than a quarter.

Question 4.
A nickel is greater than a ___________.
Answer:
A nickel is greater than a penny.
Explanation:
1 nickel = 5¢
1 penny = 1¢
So, nickel is greater than penny.

Question 5.
2 ___________ have a value of 10¢.
Answer:
Nickels
Explanation:
1 nickel = 5¢
2 nickels have a value of 10¢.

Concepts and Skills

Identify each coin.

Question 6.

Answer:
Dime
Explanation:
The above coin represents dime.
1 dime = 10¢

Question 7.

Answer:
Nickel
Explanation:
The above coin represents Nickel.
1 nickel = 5¢

Question 8.

Answer:
Penny
Explanation:
The above coin represents Penny.
1 penny = 1¢

Question 9.

Answer:
Quarter
Explanation:
The above coin represents quarter.
1 quarter = 25¢
4 quarters = $1

Fill in the blanks.

Question 10.

Answer:
2 dimes + 1 nickel = 1 quarter
Explanation:
1 dime = 10¢
1 nickel = 5¢
10¢ + 10¢ + 5¢ = 25¢

Question 11.

Answer:
1 nickel + 5 pennies = 1 dime
Explanation:
1 dime = 10¢
1 nickel + 5 pennies = 1 dime
1 nickel = 5¢
1 penny = 1¢
5¢ + 5¢ = 10¢

Count the money.

Question 12.

is ___________ ¢.
Answer: 55¢
Explanation:
2 quarters + 1 nickel
1 quarter = 25¢
1 nickel = 5¢
25¢ + 25¢ + 5¢ = 55¢

Question 13.

is _____________ ¢.
Answer: 58¢
Explanation:
5 dimes + 1 nickel + 3 pennies
1 dime = 10¢
1 nickel = 5¢
1 penny = 1 5¢
5 x 10 + 5 + 3 x 1 = 58¢

Add or subtract.

Question 14.
80¢ + 15¢ = ____________
Answer: 95¢
Explanation:
In addition if we change the order of numbers, the sum does not change.
The sum is always greater then the addends.
80¢ + 15¢ = 95¢

Question 15.
38¢ – 19¢ = ____________
Answer: 19¢
Explanation:
Subtract the small amount from the big amount to get the difference.
38¢ – 19¢ = 19¢

Problem Solving

Solve.

Question 16.
Zack has 64¢. He buys a pencil for 25¢. How much does he have left?
He has __________ left.
Answer: 39¢
Explanation:
Zack has 64¢.
He buys a pencil for 25¢.
Total change left with him
64¢ – 25¢ = 39¢

Question 17.
Wendy buys a notebook for 52¢, a bun for 19¢, and a drink for 23¢. How much does she spend?
She spends ____________.
Answer: 94¢
Explanation:
Wendy buys a notebook for 52¢,
a bun for 19¢, and a drink for 23¢.
Total amount she spend
52¢ + 19¢ + 23¢ = 94¢

Practice the problems of Math in Focus Grade 2 Workbook Answer Key Chapter 9 Practice 2 Getting to Know Volume to score better marks in the exam.

Math in Focus Grade 2 Chapter 9 Practice 2 Answer Key Getting to Know Volume

Fill in the blanks.

Water is scooped out of a pail and poured into these containers. Each is one scoop.

Question 1.
Container ___ has the greatest amount of water.
Answer: Container S
Explanation:
Observe the picture carefully, there are 10 scoops in container S.
Now count all the scoops of containers. Compare to container S then you will get the answer.
container S has 10 scoops.
container T has 8 scoops.
container U has 9 scoops.
container V has 9 scoops.
Now compare each other, 10 is greater than 8 and 9.
So, container S is greater.

Question 2.
Container __ has the least amount of water.
Answer: container T
Explanation:
Observe the picture carefully, there are 8 scoops in container T.
Now count all the scoops of containers. Compare to a container T then you will get the answer.
container S has 10 scoops.
container T has 8 scoops.
container U has 9 scoops.
container V has 9 scoops.
Now compare each other, 8 is lesser than 10 and 9.
So, container T is lesser.

Question 3.
Containers ___ and ___ have the same amount of water.
Answer: container U and container V
Explanation:
Observe the picture carefully, there are 8 scoops in container T.
Now count all the scoops of containers. Compare to a container T then you will get the answer.
container S has 10 scoops.
container T has 8 scoops.
container U has 9 scoops.
container V has 9 scoops.
Now compare each other, container U and container V have the same scoops.

Question 4.
Container ___ has more water than Container U.
Answer: container S
Explanation:
Container S has 10 scoops.
Container U has 9 scoops.
Now compare both the scoops. 10 > 9.
So container S has more water than container U.

Question 5.
Container V has more water than Container ____.
Answer: container T
Explanation:
Now count the number of scoops present in container V and container T.
container V has 9 scoops.
container T has 8 scoops.
Therefore, 9 > 8.
So, container V has more than container T.

Fill in the blanks.

All the water in each container is used to fill the glasses.

Fill in the blanks.

Luisa fills glasses of the same size with all the water from the pitcher, flask, and mug.

Question 9.
The ____ has the most water.
Answer:  flask
Explanation:
The flask is having 9 glasses of milk.
The mug is having 2 glasses of milk.
The pitcher is having 5 glasses of milk.
Now compare all the glasses and write which one is highest.
The highest number of glasses are 9 that is a flask.

Question 10.
The ____ has the least water.
Answer: mug.
Explanation:
The flask is having 9 glasses of milk.
The mug is having 2 glasses of milk.
The pitcher is having 5 glasses of milk.
Now compare all the glasses and write which one is least.
The least number of glasses are 2 that is a mug.

Question 11.
There are ___ more glasses of water in the flask than in the pitcher.
Answer: 4 glasses
Explanation:
The flask is having 9 glasses of milk.
The pitcher is having 5 glasses of milk.
The number of more glasses of water in the flask than in the pitcher=X
To get the answer, we need to subtract the number of glasses in the flask and the number of glasses in the pitch.
X=9-5
X=4
Therefore, 4 more glasses of water in the flask than pitch.

Question 12.
There are ___ fewer glasses of water in the mug than in the flask.
Answer: 7 glasses.
Explanation:
The number of glasses in the mug=2
The number of glasses in the flask=9
The number of fewer glasses of water in the mug than pitch=X
Subtract the number of glasses in the mug and the number of glasses in the flask.
X=9-2
X=7
Therefore, 7 glasses fewer in the mug than in the flask.

Question 13.
Order the pitcher, flask, and mug. Begin with the container that has the most water.

Answer:

The flask is having 9 glasses of milk.
The mug is having 2 glasses of milk.
The pitcher is having 5 glasses of milk.
It was like a descending order. We have to write from highest to least.

Fill in the blanks.

Brad fills glasses of the same size with all the water from Kettle A, Kettle B, Kettle C, and Kettle D.

Question 14.
Kettle ___ had the most water.
Answer: Kettle A
Explanation:
Observe the picture carefully, count all the glasses of kettle A, B, C, D.
Kettle A has 12 glasses.
Kettle B has 7 glasses.
Kettle C has 6 glasses.
Kettle D has 10 glasses.
Now compare all the glasses and write the highest number of glasses present to a kettle.
Therefore, Kettle A is having more glasses of water than others.

Question 15.
Kettle ____ had the least water.
Answer: Kettle B
Explanation:
Observe the picture carefully, count all the glasses of kettle A, B, C, D.
Kettle A has 12 glasses.
Kettle B has 7 glasses.
Kettle C has 6 glasses.
Kettle D has 10 glasses.
Now compare all the glasses and write the least number of glasses present to a kettle.
Therefore, Kettle B is having fewer glasses of water than others.

Question 16.
Kettle A had ___ more glasses of water than Kettle B
Answer: 5 glasses more.
Explanation:
Kettle A is having 12 glasses.
Kettle B is having 7 glasses.
To know the number of more glasses than kettle B, we need to subtract the number of glasses of kettle A and the number of glasses in kettle B then we get the answer.
The number of glasses more than kettle B=X
X=12-7
X=5
Therefore, kettle A had 5 more glasses of water than kettle B.

Question 17.
Kettle C had 4 fewer glasses of water than Kettle ____
Answer: kettle D
Explanation:
Kettle C is having 6 glasses.
Kettle D is having 10 glasses.
In the question asked kettle C is having 4 fewer glasses than another kettle. Assume it as X.
To get the result, add 4 to the kettle C
X=6+4
X=10
Kettle D is having 10 glasses.
Therefore, kettle C had fewer glasses of water than kettle D.

Practice the problems of Math in Focus Grade 2 Workbook Answer Key Chapter 9 Practice 1 Getting to Know Volume to score better marks in the exam.

Math in Focus Grade 2 Chapter 9 Practice 1 Answer Key Getting to Know Volume

Fill in the blanks with more, less, or same.

Question 1.

Container A and Container B are the same size.

a. Container B has ___ water than Container A.
Answer: more
Explanation:
Observe the picture carefully,
container A is having less water.
container B is having more water.
Therefore, the volume of water in container B is more than in container A.

b. Container A has __ water than Container B.
Answer: less
Observe the picture carefully,
container A is having less water.
container B is having more water.
Therefore, the volume of water in container A is less than in container B.

Question 2.

Container A, Container B, and Container C are the same size.
a. Container A has ___ water than Container B.
Answer: less
Explanation:
Observe the pictures carefully,
Container A is having less water.
Container B is having more water.
Therefore, the volume of water in container A is less than in container B.

b. Container B has ___ water than Container A.
Answer: more
Explanation:
Observe the pictures carefully,
Container A is having less water.
Container B is having more water.
Therefore, the volume of water in container B is more than in container A.

c. Container A has the ___ amount of water as Container C.
Answer: same.
Observe the pictures carefully,
Container A is having the same water.
Container c is having the same water.
Therefore, the volume of water in container A is as same as in container C. Both levels are equal.

Fill in the blanks.

Question 3.

The containers are the same size.

a. Container _____ has the greatest amount of water.
Answer: B

The volume of water levels is high in container B.

b. Container ___ has the least amount of water.
Answer: D
The volume of water levels is less in container D.

Question 4.

a. Container ___ has the greatest amount of water.
Answer: D

Explanation:
We need to determine according to its shape. If the size is more then it can hold a high amount of water.

b. Container ___ has the least amount of water.
Answer: Container C
In this, the shape is thin compared to other shapes. so it can hold less amount of water.

Question 5.

a. Container ________ has the greatest amount of water.
Answer: Container B
Explanation:
We need to determine the size of the container. The cube can hold a high amount of water.

b. Container ________ has the least amount of water.
Answer: Container C

Explanation:
We need to determine the size of the container. It is in a cylinder shape and it is thin when compared to container A. So container C can hold less amount of water.

Practice the problems of Math in Focus Grade 1 Workbook Answer Key Chapter 8 Practice 2 Ways to Add to score better marks in the exam.

Math in Focus Grade 1 Chapter 8 Practice 2 Answer Key Ways to Add

Group the numbers into a 10 and ones. Then add.

Example

Question 1.

Answer:

Question 2.

Answer:

Question 3.

Answer:

Question 4.

Answer:

Add.

Question 5.
15 + 2 = ______
Answer: 17

Question 6.
12 + 4 = ______
Answer: 16

Question 7.
13 + 5 = _____
Answer: 18

Question 8.
6 + 11 = _____
Answer: 17

Question 9.
7 + 12 = ______
Answer: 19

Question 10.
7 + 11 = ______
Answer: 18

Practice the problems of Math in Focus Grade 1 Workbook Answer Key Chapter 8 Practice 1 Ways to Add to score better marks in the exam.

Math in Focus Grade 1 Chapter 8 Practice 1 Answer Key Ways to Add

Make a 10.
Then add.

Example

Question 1.

Answer:
7 + 5 = 10 + 2 = 12

Question 2.

Answer:
9 + 6 = 10 + 5 = 15

Draw to make a 10. Then add.

Example

Question 3.

Answer: 8 + 8 = 10 + 6 = 16

Question 4.

9 + 5 = ___ + ___
= _____
Answer: 9 + 5 = 10 + 4 = 14

Question 5.

8 + 7 = ___
= _____
Answer: 8 + 7 = 10 + 5 = 15

Example

Question 6.

Answer: 7 + 6 = 10 + 3 = 13

Make a 10.
Then add.

Example

Question 7.

____ + ____ = ____
____ + ____ = ____
Answer:

Question 8.

____ + ____ = ____
____ + ____ = ____
Answer:

Question 9.

____ + ____ = ____
____ + ____ = ____
Answer:

Question 10.

____ + ____ = ____
____ + ____ = ____
Answer:

Practice the problems of Math in Focus Grade 1 Workbook Answer Key Chapter 9 Practice 2 Comparing More Than Two Things to score better marks in the exam.

Math in Focus Grade 1 Chapter 9 Practice 2 Answer Key Comparing More Than Two Things

Look at the picture. Fill in the blanks with the correct names.

Question 1.
____ is taller than Biff.
Answer: Lad is taller than Biff.

Question 2.
Biff is taller than ____
Answer: Biff is taller than Rolo

Question 3.
So, Lad is also taller than ____
Answer: So, Lad is also taller than Rolo

Read.

Then draw the tails on the mouse and dog.

Question 4.
The mouse’s tail is longer than the cat’s tail. The cat’s tail is longer the dog’s tail. So, the mouse’s tail is longer than the dog’s tail.

Answer:

Color.
Example

the longest string of beads

Question 5.
the shortest vegetable

Answer:

Question 6.
the girl with the longest hair

Answer:

Question 7.
the tallest animal.

Answer:

Fill in the blanks with taller, tallest, shorter, or shortest.

Question 8.
The giraffe is the ____ animal.
Answer: The giraffe is the tallest animal.

Question 9.
The ostrich is ___ than the bear.
Answer: The ostrich is taller than the bear.

Question 10.
The ___________ animal is the bear.
Answer: The shortest animal is the bear.

Question 11.
The ostrich is ____ than the elephant.
Answer: The ostrich is shorter than the elephant.

Look at the picture. Fill in the blanks.

Question 12.
The ___________________ is longer than the curly wire.
Answer: The very curly hair is longer than the curly wire.

Question 13.
The curly wire ¡s longer than the _______.
Answer: The curly wire ¡s longer than the straight hair.

Question 14.
The ___________________ is the longest wire.
Answer: The very curly hair is the longest wire.