Hillary

Practice the problems of Math in Focus Grade 3 Workbook Answer Key Chapter 8 Practice 4 Division Without Remainder and Regrouping to score better marks in the exam.

Math in Focus Grade 3 Chapter 8 Practice 4 Answer Key Division Without Remainder and Regrouping

Divide. Then match the answers to the correct pictures.

Question 1.
44 ones ÷ 4 = ___ ten ____ one

Answer:
44 ones ÷ 4 = 4 ten 4 one

Question 2.
69 ones ÷ 3 = ___ tens ____ ones

Answer:
69 ones ÷ 3 = 6 tens 9 ones
Explanation:
Matched the Division expression to base ten blocks table.

Divide.

Question 3.

Answer:

Explanation:
36 ÷ 3 = 12 is the quotient and remainder is o

Question 4.

Answer:

Explanation:
84 ÷ 4 = 21 is the quotient and remainder is o

Question 5.

Answer:

Explanation:
55 ÷ 5 = 11 is the quotient and remainder is o

Divide. Then draw a line from each tree to the bird with the matching quotient.

Question 6.

Answer:

Explanation:
The division expressions are matched to the quotient

Practice the problems of Math in Focus Grade 3 Workbook Answer Key Chapter 9 Using Bar Models: Multiplication and Division to score better marks in the exam.

Math in Focus Grade 3 Chapter 9 Answer Key Using Bar Models: Multiplication and Division

Math Journal

Look at the bar models, number sentences, and the answer statement. Write a question that matches this problem.

Question 1.

Both doctors see 267 patients.

My question:
Answer:
Dr. Bob see 89 patients daily. Dr. Jane sees patients  twice of Dr. Bob. So How many patients will see daily Dr. Bob and Dr. Jane altogether?

Look at the bar models and the answer statement. Write a question that matches this problem and show two possible methods tor solving the word problem.

Question 2.

Both bakers bake 147 bread rolls.

My question:
Answer:
Baker Chang  bake 98 bread rolls.. Baker Chang  baked 2 times as many bread rolls as Baker Lee. How many bread rolls did Baker Lee?

My methods:
Answer:
Method 1:
98  ÷  2= 49
Method 2:
3 units –> 147
1 unit –> 147 ÷ 3 = 49

Put On Your Thinking Cap!

Challenging Practice

Solve. Draw bar models to help you.

Timmy and Pedro have 24 trading cards altogether. Timmy gives Pedro 5 cards, and they each have the same number of cards. How many trading cards does Pedro have at first?
Answer:
7 trading cards Pedro have at first
Explanation:
24 ÷ 2 = 12
if both has same number of cards, then each has 12 cards.
Timmy gives Pedro 5 cards, and they each have the same number of cards.
So Pedro has earlier is 12 – 5  =7

Put on Your Thinking Cap!

Problem Solving

Solve. Use bar models to help you.

Johanna has some chicken nuggets and 6 sticks. She puts 3 chicken nuggets on each stick. She has 2 chicken nuggets left. If she puts 4 chicken nuggets on each stick, how many chicken nuggets will be left? How many sticks will she need?
Answer:
No chicken nuggets will be left
No more sticks needed.
Explanation:
Johanna has some chicken nuggets and 6 sticks. She puts 3 chicken nuggets on each stick. 6 x 3 = 18
She has 2 chicken nuggets left. So she has total  18 + 2 = 20 chicken nuggets.
If she puts 4 chicken nuggets on each stick, then 20 ÷ 4 = 5
5 sticks only she need. 1 stick will left. no more chicken nuggets will be left

Practice the problems of Math in Focus Grade 1 Workbook Answer Key Chapter 12 Practice 2 Place Value to score better marks in the exam.

Math in Focus Grade 1 Chapter 12 Practice 2 Answer Key Place Value

Fill in the missing numbers.

Question 1.

25 = ___ tens ___ ones
Answer: 25 = 2 tens 5 ones

Question 2.

37 = ___ tens __ ones
Answer: 37 = 3 tens 7 ones

Look at each place-value chart. Write the number it shows.

Question 3.

Answer:

Question 4.

Answer:

Count in tens and ones. Fill in the missing numbers ¡n the place-value charts and blanks.

Example

23 = 2 tens 3 ones
20 + 3 = 23

Question 5.

26 = ____ tens ___ ones
20 + 6 = ____
Answer:

26 = 2 tens 6 ones
20 + 6 = 26

Question 6.

40 = ____ tens __ ones
40 + 0 = ____
Answer:

40 = 4 tens 0 ones
40 + 0 = 40

Practice the problems of Math in Focus Grade 1 Workbook Answer Key Chapter 13 Practice 1 Addition Without Regrouping to score better marks in the exam.

Math in Focus Grade 1 Chapter 13 Practice 1 Answer Key Addition Without Regrouping

Add by counting on.

Example

Question 1.

30 + 5 = ____
Answer: 30+5=35
Explanation:
By adding 10 with 10 we get 20 and then by adding 20 with 10 we get 30,
Then adding 30 with 5 we get 35.

Question 2.

20 + 9 = ____
Answer:20+9=29
Explanation:
By adding 10 with 10 we get 20,
Then by adding 20 with 9 we get 29.

Question 3.

30 + 6 = ____
Answer:30+6=36

Explanation:
By adding 10 with 10 we get 20 and then 20 with 10 we get 30,
Then adding 30 with 6 we get 36.

Fill in the missing numbers.

Example

Question 4.

Answer:

Question 5.

Answer:

Question 6.

Answer:

Question 7.

Answer:

Complete each place-value chart Then add.

Example

Answer:

Question 8.

Answer:

Question 9.

Answer:

Complete the place-value chart. Then add.

Question 10.

Answer:

Add.

Question 11.

Answer:

Question 12.

Answer:

Question 13.

Answer:

Question 14.

Answer:

Question 15.

Answer:

Question 16.

Answer:

This handy Math in Focus Grade 4 Workbook Answer Key Chapter 10 Practice 2 Drawing Parallel Line Segments detailed solutions for the textbook questions.

Math in Focus Grade 4 Chapter 10 Practice 2 Answer Key Drawing Parallel Line Segments

Use a drawing triangle to draw perpendicular line segments.

Example

Draw a line segment parallel to \(\overline{A B}\).

Question 1.
Draw a pair of parallel line segments.
Answer:

Drawn a pair of parallel line segments.

Use a drawing triangle and a straightedge to draw parallel line segments.

Question 2.
Draw a line segment parallel to \(\overline{C D}\) through point M.

Answer:

Drawn a line segment parallel to CD through point M.

Question 3.
Draw a line segment parallel to \(\overline{E F}\) through point T. Then, draw another line segment parallel to \(\overline{E F}\) through point S.

Answer:

Drawn a line segment parallel to EF through point T. Then, drawn another line segment parallel to EF through point S.

This handy Math in Focus Grade 4 Workbook Answer Key Chapter 13 Practice 1 Identifying Lines of Symmetry detailed solutions for the textbook questions.

Math in Focus Grade 4 Chapter 13 Practice 1 Answer Key Identifying Lines of Symmetry

Is the dotted line in each figure a line of symmetry? Write yes or no.

Example

Answer:
Yes

Question 1.

Answer:
No, The above dotted line is not a line of symmetry.

Question 2.

Answer:
No, The dotted line in the above figure is not a line of symmetry.

Question 3.

Answer:
No, The dotted line in the above figure is not a line of symmetry.

Question 4.

Answer:
Yes, The dotted line in the above figure is a line of symmetry.

Question 5.

Answer:
Yes, The dotted line in the above figure is a line of symmetry.

Is the dotted line in each figure a line of symmetry? Write yes or no.

Question 6.

Answer:
Yes, The dotted line in the above figure is a line of symmetry.

Question 7.

Answer:
Yes, The dotted line in the above figure is a line of symmetry.

Look at each letter and number. Which ones have lines of symmetry? Circle your answers.

Question 8.

Answer:

Practice the problems of Math in Focus Grade 3 Workbook Answer Key Chapter 12 Practice 2 Real-World Problems: Two-Step Problems to score better marks in the exam.

Math in Focus Grade 3 Chapter 12 Practice 2 Answer Key Real-World Problems: Two-Step Problems

Solve. Draw bar models to help you.

Question 1.
The mass of grapefruit is 1,200 grams. A watermelon is 850 grams heavier than a grapefruit.

a. What is the mass of the watermelon?
Answer:
the mass of the watermelon = 2050 grams.
Explanation:
The mass of grapefruit is 1,200 grams.
A watermelon is 850 grams heavier than a grapefruit.
1200 + 850 = 2050 grams

b. What is the total mass of the two fruits? Give your answer in kilograms and grams.
Answer:
the total mass of the two fruits = 3250 grams
The mass in kilograms = 3.250 grams.
Explanation:
Water melon weight + grapes weight
2050 + 1200 = 3250 grams

Question 2.
Box A has a mass of 35 kilograms. Box B is twice as heavy as Box A. Box C is 1 2 kilograms lighter than Box B.
a. What is the mass of Box B?
Answer:
the mass of Box B = 70 kilograms
Explanation:
Box A has a mass of 35 kilograms.
A = 35
Box B is twice as heavy as Box A.
2 x 35 = 70
Box C is 1 2 kilograms lighter than Box B.
70 – 12 = 58

b. What is the mass of Box C?
Answer:
the mass of Box C = 58 kilograms
Explanation:
Box C is 1 2 kilograms lighter than Box B.
70 – 12 = 58

Question 3.
Jill has 3,1 10 milliliters of water left after filling 3 mugs. Each mug contains 330 milliliters of water.
a. How much water is in the 3 mugs?
Answer:
990 Milliliters water is in the 3 mugs
Explanation:
Each mug contains 330 milliliters of water.
Filled the water in 3 mugs
330 x 3 = 990 Milliliters

b. How much water was there to start with? Give your answer in liters and milliliters.
Answer:
The water started with 4100 Milliliters
and in liters 4.1 liters
Explanation:
990 Milliliters + 3,1 10 milliliters  = 4,100 milliliters
1 Liter = 1000 milliliters
4 x 1000 = 4000 : 4.1 liters

Question 4.
A ball of yarn is cut into 4 pieces. Each piece is 65 centimeters long.

a. How long was the ball of yarn?
Answer:
The ball of yarn is 260 is 260 centimeters long
Explanation:
65 x 4 = 260

b. How much yarn is left if one piece is given away? Give your answer in meters and centimeters.
Answer:
260 – 65 = 195 centimeters
1.95 in meters
Explanation:
The total yarn is 260 centimeters
1 piece = 65 centimeters
260 – 65 = 195
1 meter = 100 centimeters.

Question 5.
Ricardo wants to find the distance from his house to the library.

The distance from his house to the library is 3 times the distance from his house to the school.
a. What is the distance from Ricardo’s house to the school?
Answer:
the distance from Ricardo’s house to the school = 120 meters
Explanation:
The distance between school and library is 360 meters
The distance from his house to the library is 3 times the distance from his house to the school.
so, 360 ÷ 3 = 120

b. What is the distance between his house and the library?
Answer:
the distance between his house and the library = 480 meters.
Explanation:
If we want to find the distance from house and the library
we have to add the distance from house to school and school to library
360 + 120 = 480 meters

Question 6.
A butcher has a large piece of beef. He cuts and sells 6 portions. Each has a mass of 10 kilograms. He has 2 kilograms left. Find the total mass of beef the butcher had at first.
Answer:
the total mass of beef the butcher had at first = 60 Kilograms
Explanation:
A butcher has a large piece of beef.
He cuts and sells 6 portions.
Each has a mass of 10 kilograms.
6 x 10 = 60Kiolograms
He has 2 kilograms left.
60 – 2 = 58 kilograms
the total mass of beef the butcher had at first = 60 Kilograms

Question 7.
There is 141 milliliters of water in a mug. Rachel spills 45 milliliters of water from the mug. She then pours the remaining water equally into 4 cups. How much water is in each cup?
Answer:
24 milliliters of water is in each cup
Explanation:
There is 141 milliliters of water in a mug.
Rachel spills 45 milliliters of water from the mug.
141 – 45 = 96 milliliters
She then pours the remaining water equally into 4 cups.
96 ÷  4 = 24
24 milliliters of water is in each cup

Question 8.
Mrs. Vance buys 710 grams of strawberries. She has 210 grams of strawberries left after making 5 glasses of strawberry smoothie. How many grams of strawberries does she use for a glass?
Answer:
100 grams
Explanation:
Mrs. Vance buys 710 grams of strawberries.
She has 210 grams of strawberries left after making 5 glasses of strawberry smoothie.
710 – 210 = 500 grams
500 ÷  5 = 100
100 grams of strawberries that she use for a glass

Question 9.
In a story, a tortoise and a hare take part in a race. They have to run up and down the same hill. The distance from the foot to the top of the hill is 996 meters. The hare takes a nap after running 578 meters. How much further must the hare run complete the race? Give your answer in kilometers and meters.
Answer:
418 meters
and 41,800 centimeters
Explanation:
The distance from the foot to the top of the hill is 996 meters.
The hare takes a nap after running 578 meters.
996 – 578 = 418 meters
418 meters further must the hare run complete the race
1 meter = 100 centimeter
so, 418 x 100 = 41,800 centimeters

Question 10.
Six glasses of water can fill a bottle. Two bottles of water can fill a pitcher. The pitcher can hold 600 milliliters of water. How much water can a glass hold?
Answer:
50 milliliters water can a glass hold
Explanation:
The pitcher can hold 600 milliliters of water.
Two bottles of water can fill a pitcher.
600 ÷ 2 = 300
Six glasses of water can fill a bottle.
300 ÷  6 = 50 milliliters
50 milliliters water can a glass hold

Practice the problems of Math in Focus Grade 1 Workbook Answer Key Chapter 14 Practice 2 Mental Subtraction to score better marks in the exam.

Math in Focus Grade 1 Chapter 14 Practice 2 Answer Key Mental Subtraction

Subtract mentally. Think of addition.

Question 1.
8 – 5 = ______
Answer: 3

Question 2.
9 – 6 = ______
Answer: 3

Question 3.
11 – 3 = ______
Answer: 8

Question 4.
13 – 7 = ______
Answer: 6

Question 5.
15 – 6 = ______
Answer: 9

Question 6.
12 – 8 = ______
Answer: 4

Subtract mentally. First subtract the tens. Then add the tens to the ones.

Example

Question 7.
28 – 4 = ___
Answer:

Question 8.
29 – 5 = ______
Answer:

Question 9.
27 – 6 = ______
Answer:

Question 10.
37 – 2 = ______
Answer:

Question 11.
38 – 8 = ______
Answer:

Question 12.
36 – 6 = ______
Answer:

Subtract mentally.
First subtract the tens.
Then add the tens to the ones.

Example

Question 13.
22 – 10 = _______
Answer:

Question 14.
23 – 20 = _______
Answer:

Question 15.
35 – 30 = ________
Answer:

Question 16.
36 – 20 = ________
Answer:

Solve mentally. Fill in the blanks.

Question 17.

How many fish are left? ______
Answer:
Given,
There are 16 fish and 9 of them swim away,
By subtracting 9 from 16 we get 7,
Therefore, there are 7 fish left

Question 18.

How many more apples than pears are there? ______
Answer:
Given,
There are 29 apples and 10 pears in the basket,
By subtracting 10 from 29 we get 19,
Therefore, there are 19 more apples than pears.

Go through the Math in Focus Grade 1 Workbook Answer Key Chapter 15 Practice 1 Using a Calendar to finish your assignments.

Math in Focus Grade 1 Chapter 15 Practice 1 Answer Key Using a Calendar

Fill in the blanks.

Question 1.
How many days are in one week?
_______
Answer: There are seven days in a week

Write the days of the week.

Question 2.
The first day is _______
Answer: the first day of the week is Sunday

Question 3.
The third day is _______
Answer: the third day of the week is Tuesday

Question 4.
The fifth day is _______
Answer: The fifth day of the week is Thursday

Question 5.
The last day is _______
Answer: The last day of the week is Saturday

Question 6.
Which is your favorite day of the week?
__________
Answer: My favorite day of the week is Sunday because Sunday is a holiday and we can have lots of fun on Sunday

Color or circle.

Example
Color the third month of the year gray.

Question 7.
Color the month that it is now red.
Answer:

Question 8.
Color the month of your birthday yellow.
Answer:

Question 9.
Color the ninth month of the year green.
Answer:

Question 10.
Circle the month that has 28 days using blue.
Answer:

Question 11.
Circle the months that have only 30 days using purple.

Answer:

Fill in the blanks.
Use the calendar to help you.

Question 12.
The name of the month is _______
Answer: The name of the month is October

Question 13.
____ is the day just before Wednesday.
Answer: Tuesday is the day just before Wednesday

Question 14.
There are ____ days in this month.
Answer: There are 30 or 31 days in a month except for February

Question 15.
____ is the day between Wednesday and Friday.
Answer: Thursday is the day between Wednesday and Friday

Question 16.
The date of the second Monday is ____
Answer: The date of the second Monday is 11th October (eleventh October)

Question 17.
The day of the week just after October 22, 2010 is _______
Answer:  The day of the week just after October 22, 2010 is Saturday

Match the picture to the season.

Question 18.

Answer:

Fill in the blanks. Think about the seasons. In what seasons are these holidays?

Question 19.
New Year’s Day _______
Answer: New Year’s Day  falls on winter season

Question 20.
Thanksgiving _______
Answer: Thanksgiving falls on autumn season

Question 21.
Independence Day _______
Answer: Independence Day falls on monsoon season

Go through the Math in Focus Grade 3 Workbook Answer Key Chapter 2 Practice 2 Mental Subtraction to finish your assignments.

Math in Focus Grade 3 Chapter 2 Practice 2 Answer Key Mental Subtraction

Subtract mentally. First, subtract the tens. Then, subtract the ones.

Example

Question 1.
89 – 57 = ?
89 – 50 = ___
___ – ___ = ___
So, 89 – 57 = ___

Answer:

89 – 50 = 39
39 – 7 = 32
So, 89 – 57 = 32

Question 2.
75 – 33 = ?
75 – 30 = ___
___ – ___ = ___
So, 75 – 33 = ____

Answer:

75 – 30 = 45
45 – 3 = 42
So, 75 – 33 = 42

Subtract mentally.
First, subtract the tens. Then, add the extra ones.

Example

Question 3.
92 – 35 = ?
92 – 40 = ___
___ + ___ = ___
So, 92 – 35 = ___

Answer:

92 – 40 = 52
52 + 5 = 57
So, 92 – 35 = 57

Question 4.
87 – 18 = ?
87 – 20 = ___
___ + ___ = ___
So, 87 – 18 = ___

Answer:

87 – 20 = 67
67 + 2 = 69
So, 87 – 18 = 69

Question 5.
72 – 44 = ?
72 – 50 = ___
___ + ___ = ___
So, 72 – 44 = ___

Answer:

72 – 50 = 22
22 + 6 = 28
So, 72 – 44 = 28

Question 6.
88 – 39 = ?
88 – 40 = ___
___ + ___ = ___
So, 88 – 39 = ___

Answer:

88 – 40 = 48
48 + 1 = 49
So, 88 – 39 = 49

Subtract mentally. Use number bonds to help you.

Question 7.
84 – 23 = ___
Answer:
84 – 23
80 – 20 = 60
60 + 4 – 3 = 61
So, 84 – 23 = = 61

Question 8.
55 – 31 = ___
Answer:
55 – 31
55 – 30 = 25
25 – 1 = 24
So, 55 – 31 = = 24

Question 9.
58 – 42 = ___
Answer:
58 – 42
60 – 40 = 20
20 -2 -2 = 16

Question 10.
79 – 65 = ___
Answer:
79 – 65
80 – 65 = 15
15 – 1 = 14
So, 79 – 65 = 14

Question 11.
92 – 34 = ___
Answer:
92 – 34
90 – 30 = 60
60 + 2 – 4 = 58
So, 92 – 34 = 58

Question 12.
75 – 47 = ___
Answer:
75 – 47
75 – 50 = 25
25 + 3 = 28
So, 75 – 47 = 28

Question 13.
61 – 26 = ___
Answer:
61 – 26
60 – 30 = 30
30 + 1 + 4 = 35
So,  61 – 26 =  35

Question 14.
82 – 33 = ___
Answer:
82 – 33
80 – 30 = 50
50 + 2 – 3 = 49
So, 82 – 33 = 49

Question 15.
93 – 48 = ____
Answer:
93 – 48
90  – 50 = 40
40 + 3 + 2 = 45
So, 93 – 48 = 45

Question 16.
81 – 45 = ___
Answer:
81 – 45
80 – 45 = 35
35 + 1 = 36

Question 17.
Complete the puzzle. Use mental math.

Answer: