Hillary

Go through the Math in Focus Grade 3 Workbook Answer Key Chapter 4 Practice 1 Subtraction Without Regrouping to finish your assignments.

Math in Focus Grade 3 Chapter 4 Practice 1 Answer Key Subtraction Without Regrouping

Subtract.

Example

Question 1.

Answer:

Explanation:
9349 – 5138 = 4211.

Question 2.

Answer:

Explanation:
7352 – 4321 = 3031.

Subtract. Use base-ten blocks to help you.
Example

Question 3.
3,646 – 2,523 = ____

Answer:
3,646 – 2,523 = 1,123.

Explanation:

Question 4.
9,646 – 523 = ____

Answer:
9,646 – 523 = 9,123.

Explanation:

Question 5.
5,564 – 23 = ____

Answer:
5,564 – 23 = 5,541.

Explanation:

Find the difference. 

Example
The difference between 7,249 and 249 is 7,000

Question 6.
The difference between 5,286 and 5,000 is ____.
Answer:
The difference between 5,286 and 5,000 is 286.

Explanation:

Question 7.
The difference between 4,301 and 2,101 is ____.
Answer:
The difference between 4,301 and 2,101 is 2200.

Explanation:

Subtract.

Example

Question 8.
8,421 – 310 = ____

Answer:
8,421 – 310 = 8,111.

Explanation:

Question 9.
9,786 – 72 = ____

Answer:
9,786 – 72 = 9,714.

Explanation:

Question 10.
6,974 – 1,813 = ____

Answer:
6,974 – 1,813 = 5,161.

Explanation:

Question 11.
7,586 – 4,022 = ___

Answer:
7,586 – 4,022 = 3,564.

Explanation:

Question 12.
5,493 – 3,291 = ___

Answer:
5,493 – 3,291 = 2,202.

Explanation:

Go through the Math in Focus Grade 3 Workbook Answer Key Chapter 5 Practice 1 Real-World Problems: Addition and Subtraction to finish your assignments.

Math in Focus Grade 3 Chapter 5 Practice 1 Answer Key Real-World Problems: Addition and Subtraction

Solve. Use bar models to help you.

Example
A biking team raises $4,250 for charity.
A running team raises $825 more than the biking team.

a. How much money does the running team raise?

b. How much money do both teams raise in all?
$ 4,250 $ 5,075 = $9,325
Both teams raise $9,325 in all.

Solve. Use bar models to help you.

Question 1.
The third graders collect 487 cans of food for a food drive. The second graders collect 175 fewer cans than the third graders.
a. How many cans do the second graders collect?

The second graders collect __________ cans.
Answer:
Number of cans of food for a food drive the second graders collect = 312.

Explanation:
Number of cans of food for a food drive the third graders collect = 487.
The second graders collect 175 fewer cans than the third graders.
=> Number of cans of food for a food drive the second graders collect = Number of cans of food for a food drive the third graders collect – 175
= 487 – 175
= 312.

b. How many cans do both grades collect in all?
___ ___ = ____
Both grades collect ___ cans in all.
Answer:
Total number of cans of food for a food drive the second and third graders collect = 799.

Explanation:
Number of cans of food for a food drive the third graders collect = 487.
Number of cans of food for a food drive the second graders collect = 312.
Total number of cans of food for a food drive the second and third graders collect = Number of cans of food for a food drive the third graders collect + Number of cans of food for a food drive the second graders collect
= 487 + 312
= 799.

Solve. Use bar models to help you.

Question 2.
A bookstore has 4,320 books and magazines. It has 2,169 books. The rest are magazines.
a. How many magazines does the bookstore have?

The bookstore has ___ magazines.
Answer:
Number of magazines the bookstore has = 2151.

Explanation:
Number of books and magazines a bookstore has = 4,320.
Number of books it has = 2,169.
Number of magazines the bookstore has = Number of books and magazines a bookstore has – Number of books it has
= 4320 – 2169
= 2151.

b. There are 1,493 fashion magazines. The rest are sports magazines.
How many sports magazines does the bookstore have?

The bookstore has ___ sports magazines.
Answer:
The bookstore has 658 sports magazines.

Explanation:
Number of magazines the bookstore has = 2151.
Number of fashion magazines = 1493.
Number of sports magazines the bookstore has = Number of magazines the bookstore has –  Number of fashion magazines
= 2151 – 1493
= 658.

Solve. Use bar models to help you.

Question 3.
Ray’s rope is 1 452 centimeters long. Hannah’s rope is 379 centimeters longer than Ray’s rope.

a. How long is Hannah’s rope?

Hannah’s rope is ____ centimeters long.
Answer:
Hannah’s rope is 1831.centimeters long.

Explanation:
Number of centimeters long Ray’s rope = 1 452.
Hannah’s rope is 379 centimeters longer than Ray’s rope.
=> Number of centimeters long Hannah’s rope = Number of centimeters long Ray’s rope + 379
= 1452 + 379
= 1831.

b. Ray uses 645 centimeters of his rope. How long is his remaining rope?

Ray’s remaining rope is ___ centimeters long.
Answer:
Ray’s remaining rope is 807 centimeters long.

Explanation:
Number of centimeters long Ray’s rope = 1 452.
Number of centimeters long Ray’s uses his rope = 645.
Number of centimeters long of his rope is remaining = Number of centimeters long Ray’s rope – Number of centimeters long Ray’s uses his rope
= 1 452 – 645
= 807.

Go through the Math in Focus Grade 3 Workbook Answer Key Chapter 5 Practice 2 Real-World Problems: Addition and Subtraction to finish your assignments.

Math in Focus Grade 3 Chapter 5 Practice 2 Answer Key Real-World Problems: Addition and Subtraction

Solve. Draw bar models to help you.

Example
Janice has 1,458 stamps.
She has 396 fewer stamps than Ben.

a. How many stamps does Ben have?

b. How many stamps do they have in all?
1,458 1,854 = 3,312
They have 3,312 stamps in all.

Solve. Draw bar models to help you.

Question 1.
There are 1,287 men at a baseball game.
There are 879 fewer women than men at the game.
a. How many women are at the game?

____ women are at the game.
Answer:
408 women are at the game.

Explanation:
Number of men at a baseball game = 1287.
There are 879 fewer women than men at the game.
Number of women at a baseball game = Number of men at a baseball game – 879
= 1287 – 879
= 408.

b. How many adult spectators are at the game?

____ adult spectators are at the game.
Answer:
Number of adult spectators are at the game = 879.

Explanation:
Number of men at a baseball game = 1287.
Number of women at a baseball game = 408.
Number of adult spectators are at the game = Number of men at a baseball game – Number of women at a baseball game
= 1287 – 408
= 879.

Solve. Draw bar models to help you.

Question 2.
A school sets aside $4,756 for its athletic fund. It sets aside $1,297 less for its library fund.

a. How much money is in the library fund?

$___ is in the library fund.
Answer:
$3462 is in the library fund.

Explanation:
Amount for its athletic fund a school sets = $4,756.
It sets aside $1,297 less for its library fund.
=> Amount for its library fund a school sets = Amount for its athletic fund a school sets – $1297
= $4756 – $1297.
= $3462.

b. $948 is spent from the library fund. How much money is left?

$____ is left in the library fund.
Answer:
Amount left for its library fund  = $2514.

Explanation:
Amount for its library fund a school sets = $3462.
$948 is spent from the library fund.
=> Amount left for its library fund  = Amount for its library fund a school sets – $948
= $3462 – $948
= $2514.

Solve. Draw bar models to help you.

Question 3.
The school clerk prints 635 newsletters on Monday.
She prints 96 fewer newsletters on Wednesday.

a. How many newsletters does she print on Wednesday?
Answer:
Number of newsletters the school clerk prints on Wednesday = 539.

Explanation:
Number of newsletters the school clerk prints on Monday = 635.
She prints 96 fewer newsletters on Wednesday.
=> Number of newsletters the school clerk prints on Wednesday = Number of newsletters the school clerk prints on Monday – 96
= 635 – 96
= 539.

b. How many newsletters does she print in all?
Answer:
Total number of of newsletters the school clerk prints on Monday and Wednesday = 1174.

Explanation:
Number of newsletters the school clerk prints on Monday = 635.
Number of newsletters the school clerk prints on Wednesday = 539.
Total number of of newsletters the school clerk prints on Monday and Wednesday = Number of newsletters the school clerk prints on Monday + Number of newsletters the school clerk prints on Wednesday
= 635 + 539
= 1174.

Solve. Draw bar models to help you.

Question 4.
Mr. Tuzamoto’s factory makes 1,793 toys each day. It makes 157 more toys than Ms. Jefferson’s factory.

a. How many toys does Ms. Jefferson’s factory make each day?

Ms. Jefferson’s factory makes ___ toys each day.
Answer:
Number of toys Ms. Jefferson’s factory makes each day = 1636.

Explanation:
Number of toys Mr. Tuzamoto’s factory makes each day = 1793.
It makes 157 more toys than Ms. Jefferson’s factory.
=> Number of toys Ms. Jefferson’s factory makes each day = Number of toys Mr. Tuzamoto’s factory makes each day  – 157
= 1793 – 157
= 1636.

b. If Ms. Jefferson’s factory sells 698 toys, how many toys does her factory have left?

Ms. Jefferson’s factory has ___ toys left.
Answer:
Number of toys Ms. Jefferson’s factory left over = 938.

Explanation:
Number of toys Ms. Jefferson’s factory makes each day = 1636.
Number of toys Ms. Jefferson’s factory sold = 698.
Number of toys Ms. Jefferson’s factory left over = Number of toys Ms. Jefferson’s factory makes each day  – 698
= 1636 – 698
= 938.

Solve. Draw bar models to help you.

Question 5.
A middle school has 3,756 students. It has 455 fewer students than an elementary school.

a. How many students does the elementary school have?
Answer:
Number of students a elementary school has = 4211.

Explanation:
Number of students a middle school has = 3,756.
It has 455 fewer students than an elementary school.
=> Number of students a elementary school has = Number of students a middle school has + 455
= 3756 + 455
=  4211.

b. How many students do both schools have in all?
Answer:
Total number of students a middle school and elementary school has = 7967.

Explanation:
The number of students a middle school has = 3,756.
The number of students an elementary school has = 4211.
Total number of students a middle school and elementary school has = Number of students a middle school has + Number of students an elementary school has
= 3756 + 4211
= 7967.

Go through the Math in Focus Grade 1 Workbook Answer Key Chapter 15 Calendar and Time to finish your assignments.

Math in Focus Grade 1 Chapter 15 Answer Key Calendar and Time

Math Journal

Look at each clock. Then write about an activity you do at that time. Use o’clock or half past in your sentences. What I do in the morning…

Answer:

What I do in the afternoon…

Answer:

What I do at night …

Answer:

Put On Your Thinking Cap!

Challenging Practice

Use the calendar to find the answer.

Question 1.
What is the date of the second Monday? ____
Answer: 7th September (seventh of September) is the date of the second Monday

Question 2.
How many Wednesdays are there? ____
Answer: There are total five Wednesdays inn the above calendar

Question 3.
What is the date of the third Thursday? ____
Answer: 17th September (seventeenth of September) is the date of the third Thursday

Question 4.
What day of the week is September 25? ____
Answer: September 25 will be Friday of the week

Question 5.
a. Which day of the week will the next month begin on? ____
Answer: The next month begin on thursday

b. What will be the date? ____
Answer: 1st October (first of October) will be the date of the next month

Question 6.
a. Which day of the week did the last month end on? ____
Answer: The week did the last month end on Monday

b. What was the date? ____
Answer: 31st August (thirty-first of August) will be the date of the next month

Put on Your Thinking cap!

Problem Solving

Aunt Betsy is baking some muffins for Lori.
Look at the pictures.
Write 1, 2, 3, and 4 to show the correct order.

Answer:

Chapter Review/Test

Vocabulary

Choose the correct word.

Question 1.
There are 7 ___ in one ____.
Answer:
There are 7 days in one week.

Question 2.
There are 12 ___ in one ____
Answer:
There are 12 Months in one Year

Question 3.
The ____ orders time into days, weeks, and months.
Answer: The calendar orders time into days, weeks, and months.

Concepts and Skills

Answer:

Question 9.
Write the time.

Answer:

Fill in the blanks.

Question 10.
School starts at ____
Answer: School starts at 09:00 Am

Question 11.
School is over at ____
Answer: School is over at 03:00 Pm

Question 12.
Name your favorite season. Explain your answer.
Answer: My favorite season is rainy season
I like to play in water and have fun with friends in rain so i like rainy season a lot

Problem Solving

Solve.

Question 13.
Today is May 12, 2010. What will the date be in one week?
Answer: May 19,2010
one week is equal to seven days
adding seven days to 12 will give 19

Question 14.
Leon’s birthday is on March 15. Angelina’s is one week after Leon’s. When is Angelina’s birthday?
Answer: March 22
one week is equal to seven days
adding seven days to 15 will give 22

This handy Math in Focus Grade 1 Workbook Answer Key Chapter 4 Practice 4 Real-World Problems: Subtraction detailed solutions for the textbook questions.

Math in Focus Grade 1 Chapter 4 Practice 4 Answer Key Real-World Problems: Subtraction

Solve.

Example

There are 5 people.
1 person walks away.
How many people are left?
5 – 1 = 4
There are 4 people left.

Question 1.

Kate has 7 buttons.
None of them are white.
How many black buttons are there?

There are ________ black buttons.
Answer:
7 – 0 = 7
Explanation:
Kate has 7 buttons.
None of them are white.
There are 7 black buttons.

Question 2.
8 crabs are on the beach,
2 crabs crawl away.
How many crabs are left?

__ crabs are left.
Answer:
8 – 2 = 6
Explanation:
8 crabs are on the beach,
2 crabs crawl away.
6 crabs are left.

Solve.

Question 3.

Brian has 9 toys.
6 of them are cars and the rest are bears.
How many bears does Brian have?

Brian has ________ bears.
Answer:
3
Explanation:
Brian has 9 toys.
6 of them are cars and the rest are bears.9 – 6 = 3
Brian has 3 bears.

Question 4.

There are 10 eggs in a basket.
3 eggs roll out.
How many eggs are left?

___ eggs are left.
Answer:
7
Explanation:
There are 10 eggs in a basket.
3 eggs roll out.
10 – 3 = 7
7 eggs are left.

Question 5.

Abby blows 4 soap bubbles.
She pops all of them.
How many bubbles are left?

___ bubbles are left.
Answer:
0
Explanation:
Abby blows 4 soap bubbles.
She pops all of them.
4 – 4 = 0
0 bubbles are left.

This handy Math in Focus Grade 1 Workbook Answer Key Chapter 4 Practice 3 Making Subtraction Stories detailed solutions for the textbook questions.

Math in Focus Grade 1 Chapter 4 Practice 3 Answer Key Making Subtraction Stories

Look at the pictures.
Make subtraction stories.
Write subtraction sentences for each story.

Example

Question 1.

Answer:

Explanation:
9 – 3 = 6
The difference of 9 and 3 is 6.

Question 2.

Answer:

Explanation:
8 – 8 = 0
The difference of 8a nd 0 is 8

Question 3.

Answer:

Explanation:
10 – 0 = 10
The difference of 10 and 0 is 10

Question 4.

Answer:

Explanation:
9 – 2 = 7
The difference of 9 and 2 is7

Practice the problems of Math in Focus Grade 1 Workbook Answer Key Chapter 11 Practice 2 More Picture Graphs to score better marks in the exam.

Math in Focus Grade 1 Chapter 11 Practice 2 Answer Key More Picture Graphs

Alonso has a coin. Every time he tosses the coin, he gets heads Alonso tosses the coin many times. This is what he gets:

Count the tosses.
Color a for each toss.

Answer:

Question 1.

Answer:

Question 2.

Answer:

Question 3.

Answer:

Question 4.

Answer:

Every student in Grade 1 has a pet. The picture shows their pets.

Count the pets and complete the picture graph.

Question 5.

Answer:

Fill in the blanks.

Question 6.
The most popular pet is the ____
Answer: The most popular pet is the goldfish

Question 7 .
There are ___ hamsters.
Answer: There are 2 hamsters.

Question 8.
There are ___ more cats than birds.
Answer: There are 2 more cats than birds.

Question 9.
There are 4 fewer __________ than ______
Answer: There are 4 fewer rabbits than goldfishes

Question 10.
The number of _____________ is the least.
Answer: The number of rabbit is the least.

Question 11.
The number of _____________ is the greatest.
Answer: The number of goldfish is the greatest.

Question 12.
There are equal numbers of ____ and ____.
Answer: There are equal numbers of Dogs and cats.

Look at the picture graph. Then fill in the blanks.

Monica goes to the zoo. She makes a picture graph that shows the animals she sees.

Question 13.
Monica sees ___ tigers.
Answer: Monica sees 3 tigers.

Question 14.
She also sees ___ giraffes.
Answer: She also sees 6 giraffes.

Question 15.
She sees the most ___.
Answer: She sees the most giraffes.

Question 16.
She sees the fewest ____
Answer: She sees the fewest lions

Question 17.
There are ___ more rhinoceroses than lions.
Answer: There are 3 more rhinoceroses than lions.

Question 18.
There are ___ fewer tigers than elephants.
Answer: There are 2 fewer tigers than elephants.

Look at the picture graph. Then fill in the blanks.

This picture graph shows how a group of children goes to school.

Question 19.
How many children walk to school? ________
Answer: 6 children’s go to school by walk

Question 20.
How many children go to school by bus? ________
Answer: 14 children’s go to school by bus

Question 21.
How do most of the children go to school? _________
Answer: Most of the children’s go to school by bus

Question 22.
The fewest children go to school by ____.
Answer: The fewest children go to school by bicycle.

Question 23.
More children walk to school than ride a bicycle. How many more? _______
Answer: 2 more children walk to school than ride a bicycle

Question 24.
Fewer children go to school by car than by bus. How many fewer? ________
Answer: 3 Fewer children go to school by car than by bus

Look at the picture graph. Then fill in the blanks.

Jason invites his friends to a party. This picture graph shows the fruit juices they drink.

Question 25.
The children drink ____ glasses of cranberry juice.
Answer: The children drink 2 glasses of cranberry juice.

Question 26.
What is the most popular juice? ______
Answer: The most popular juice is of apple
Question 27.
They drink fewer glasses of pineapple juice than orange juice. How many fewer? ________
Answer: They drink 4 fewer glasses of pineapple juice than orange juice.

Question 28.
How many types of juices do they drink? _______
Answer: They drink 5 different types of juices

Practice the problems of Math in Focus Grade 1 Workbook Answer Key Chapter 11 Picture Graphs and Bar Graphs to score better marks in the exam.

Math in Focus Grade 1 Chapter 11 Answer Key Picture Graphs and Bar Graphs

Math Journal

Keep a record of how many books you read this week. Include the books you read in class and those your teacher or your family reads to you. Draw to represent 1 book.

Answer:

Look at your graph. Write sentences about the number of books you have read. You may use the words below.

Answer:

Put on your Thinking Cap!

Challenging Practice

Team A, Team B, and Team C play a game. The graph shows the number of points each child on Team A scores.

Answer the questions.

Question 1.
How many points did Team A score in all? _____
Answer: Team A had scored 17 in total

Question 2.
Team B scores 7 points fewer than Team A. How many points does Team B score? _____
Answer:  Team B scored 10 points which is 7 points fewer than Team A.

Question 3.
Team A scores 3 points fewer than Team C. How many points does Team C score? _____
Answer: Team C scored 20 points which is 3 points more than Team A

 

Complete the tally chart.

Question 4.
Tina and her friends, Eva and Pedro, brought some crackers to school.
The tally chart shows the number of crackers each child brought.

Answer:

Make a bar graph.

Question 5.

Answer:

Question 6.
How many crackers did Pedro bring? _____
Answer: Pedro brought 5 crackers

Question 7.
How many more crackers did Tina bring than Eva? _____
Answer: Tina brought 5 more crackers than Eva

Question 8.
How many crackers did the children bring in all? _____
Answer: In total the children’s brought 15 crackers

Question 9.
Tina brought ___ more crackers than Pedro.
Answer: Tina brought 2 more crackers than Pedro.

Put on Your Thinking cap!

Problem Solving

The Art Club sold boxes of cards to three families along the same street.

Fill in the blanks.

Question 1.
The Bailey family bought ___ boxes of cards.
Answer: The Bailey family bought 7 boxes of cards.

Question 2.
The ___ family bought the fewest boxes of cards.
Answer: The Anderson family bought the fewest boxes of cards.

Question 3.
The ___ family bought the most boxes of cards.
Answer: The Diaz family bought the most boxes of cards.

Question 4.
The Anderson family bought ___ fewer boxes of cards fewer than the Bailey family.
Answer: The Anderson family bought 2 fewer boxes of cards fewer than the Bailey family.

Question 5.
The families bought ___ boxes of cards in all.
Answer: The families bought 20 boxes of cards in all.

Question 6.
Make a bar graph.

Answer:

Chapter Review/Test
Vocabulary
Choose the correct word.

Question 1.
A ____ uses bars and a scale to show data.

Answer:
A librarian uses bars and a scale to show data.

Question 2.
There are ___ girls than boys.
Answer:
There are 3 fewer girls than boys.

Question 3.
There are ___ boys than girls.
Answer: There are 3 more boys than girls.

Concepts and Skills

The tally chart shows some children’s favorite musical instruments.

Question 4.
__________ is the most popular musical instrument.
Answer: Guitar is the most popular musical instrument.

Question 5.
__________ is the favorite musical instrument of the fewest children.
Answer: Drum is the favorite musical instrument of the fewest children.

Problem Solving

A recycling project was carried out in a class. Some children brought bottles for recycling. The tally chart shows the number of bottles each child brought.

Complete the tally chart.

Question 6.

Answer:

Make a bar graph.

Question 7.

Answer:

Fill in the blanks.

Question 8.
How many bottles did Kimberly bring? ____
Answer: Kimberly brought 7  bottles

Question 9.
______ brought the fewest bottles.
Answer: Madison brought the fewest bottles.

Go through the Math in Focus Grade 5 Workbook Answer Key Chapter 2 Practice 5 Dividing by Tens, Hundreds, or Thousands to finish your assignments.

Math in Focus Grade 5 Chapter 2 Practice 5 Answer Key Dividing by Tens, Hundreds, or Thousands

Complete.

Question 1.
100 ÷ 10 = _10__
Answer:
10,

Explanation:
100 ÷ 10 = 10

100 is divided by 10 and the result is 10.

Question 2.
670 ÷ 10 = _67__
Answer:
67,

Explanation:
670 ÷ 10

670 is 10 times 67,
670 is 67 x 10.

Question 3.
1,050 ÷ __ = 105
Answer:
105,

Explanation:

1,050 is 105 x 10,
1,050 is divided by 10 and the result is 105.

Question 4.
_1,974__ ÷ 10 = 1,974
Answer:
19,740,

Explanation:

19,740 can be written as 1974 x 10
it can be divided by 10 and the result is 1,974.

Question 5.
52,260 ÷ 10 = _5,260__
Answer:
5,260,

Explanation:

5,2260 can be written as 5,226 x 10 it can be divided by 10 and
the result is 5,2260.

Question 6.
30,500 ÷ _10_ = 3,050
Answer:
3,050,

Explanation:

3,050 can be written as 305 x 10 it can be divided by 10 and
the result is 3,050.

Complete.

5,610 ÷ 30
= (5,610 ÷ 10) ÷ 3
= 561 ÷ 3
= 187

Question 7.
3,000 ÷ 60
= (3,000 ÷ 10) ÷ _6__
= _300__ ÷ 6
= __50__
Answer:
50,

Explanation:

= 3,000 ÷ 10÷ 6
= 300÷ 6
= 50.

Question 8.
1,040 ÷ 40
= (1,040 ÷ __10_) ÷ _4__
= _104__ ÷ __4__
= __26__
Answer:
26,

Explanation:
1,040 ÷ 40,
= 1,040 ÷ 10÷ 4
= 104 ÷ 4
= 26.

Complete.

Question 9.
8,700 ÷ 60
= (8,700 ÷ _10_) ÷ __6_
= _870__ ÷ _6__
= __145__
Answer:
145,

Explanation:
8,700 ÷ 60,
= 8,700 ÷ 10 ÷ 6,
= 870 ÷ 6,
= 145.

Question 10.
3,450 ÷ 50
= (3,450 ÷ _10_) ÷ _5__
= _345___ ÷ __5_
= __69__
Answer:
69,

Explanation:
3,450 ÷  50,
= 3,450 ÷ 10 ÷ 5
= 345 ÷ 5
= 69.

Question 11.
34,230 ÷ 70
= (34,230 ÷ _10__) ÷ _7_
= _3,423__ ÷ _7__
= __489__
Answer:
489,

Explanation:
34,230 ÷ 70,
= 34,230 ÷ 10 ÷ 7,
= 3,423 ÷ 7,
= 489.

Which U.S. president had a sign on his desk that said ‘The buck stops here’?
Write the letters on pages 47 and 48 that match the answers below to find out.

Answer: TRUMAN

Explanation:
The solutions from the above questions from 6 to 11,
according to the answers arrange the given alphabets to find out the word.

Divide.

Question 12.
3,400 ÷ 100 = _34__
Answer:
34,

Explanation:
3,400 ÷ 10 ÷ 10,
= 340 ÷ 10,
= 34.

Question 13.
560,000 ÷ 1,000 = _560__
Answer:
560,

Explanation:
560,000 ÷ 1,000,
= 560,000 ÷ 10 ÷ 10 ÷ 10,
= 56,000 ÷ 10 ÷ 10,
= 5,600 ÷ 10,
= 560.

Question 14.
5,000 ÷ 100 = _50_
Answer:
50,

Explanation:
5,000 ÷ 100,
= 5,000 ÷ 10 ÷ 10,
= 500 ÷ 10,
= 50.

Question 15.
38,000 ÷ 1,000 = __38_
Answer:
38,

Explanation:
38,000 ÷ 1,000,
= 38,000 ÷ 10 ÷ 10 ÷ 10,
= 3800 ÷ 10 ÷ 10,
= 380 ÷ 10,
= 38.

Question 16.
7,700 ÷ 10² = _77__
Answer:
77,

Explanation:
As 100 = 10²,
= 7,700 ÷ 10²,
= 7,700 ÷ 10 ÷ 10,
= 770 ÷ 10,
= 77.

Question 17.
360,000 ÷ 10³ = _360__
Answer:
360,

Explanation:
1000 = 10³,
= 360,000 ÷ 10 ÷ 10 ÷ 10,
= 36,000 ÷ 10 ÷ 10,
= 3,600 ÷ 10,
= 360.

Question 18.
2,000 ÷ 10² = _20__
Answer:
20,
Explanation:
100 = 10²,
2,000 ÷ 10²,
= 2,000 ÷ 10 ÷ 10,
= 200 ÷ 10,
= 20.

Question 19.
415,000 ÷ 10³ = _415__
Answer:
415,

Explanation:
1000 = 10³,
= 415,000 ÷ 10 ÷ 10 ÷ 10,
= 41,500 ÷ 10 ÷ 10,
= 4150 ÷ 10,
= 415.

To which class of animals does the salamander belong?
Write the letters that match the answers below to find out.

Answer:
AMPHIBIANS,

Explanation:
The solutions from the above questions from 12 to 19,
according to the answers arrange the given alphabets to find out the word.

Question 21.
81,000 ÷ 900
= (81,000 ÷ _100_) ÷ __9_
= _810__ ÷ _9__
= _90___
Answer:
90,

Explanation:
= 81,000 ÷ 900,
= 81,000 ÷ 100 ÷ 9,
= 81,000 ÷ 10 ÷ 10 ÷ 9,
= 8,100 ÷ 10 ÷ 9,
= 810 ÷ 9,
= 90.

Complete.

Example . ________
9,000 ÷ 3,000,
= (9,000 ÷ 1000) ÷ 3,
= 9 ÷ 3,
= 3.

Question 22.
31,500 ÷ 500
= (31,500 ÷ _100__) ÷ _5__
= _315__ ÷ _5___
= _63___
Answer:
63,

Explanation:
Given 31,500 ÷ 500,
= 31,500 ÷10  ÷ 10 ÷ 5,
= 3150 ÷ 10 ÷ 5,
= 315 ÷ 5,
= 63,

Question 23.
56,000 ÷ 7,000
= (56,000 ÷ _1000__) ÷ __7____
= _56___ ÷ __7__
= __8__
Answer:
8,

Explanation:
56000 ÷ 1000 ÷ 7,
= 56 ÷ 7 = 8,

Question 24.
133,000 ÷ 7,000
= (133,000 ÷ _1,000__) ÷ __7_
= _133___ ÷ _7__
= _19___
Answer:
19,

Explanation:
Given 133,000 ÷ 1,000 ÷ 7,
= 133 ÷ 7 = 19.

Question 25.
120,000 ÷ 8,000
= (120,000 ÷ __1,000_) ÷ _8__
= _120___ ÷ __8_
= __15__
Answer:
15,

Explanation:
Given 120000 ÷ 8,000,
= 120,000 ÷  1,000 ÷ 8
120 ÷ 8 = 15.

Divide.

Question 26.

Answer: 9

Explanation:
Dividing by tens 360 ÷ 40,
= 360÷10÷4,
= 36÷4,
= 9,
= 3600 ÷ 400
Dividing by hundreds 3600÷100÷4,
= 36÷4
= 9,
Dividing by thousands 36000 ÷ 4000,
= 360÷1000÷4,
= 36÷4,
= 9.

Question 27.

Answer: 17

Explanation:
Dividing by tens 1,190 ÷ 70,
= 1190 ÷ 10÷ 7
= 119 ÷ 7
= 17,
Dividing by hundreds 11,900 ÷ 700,
= 11,900 ÷ 100÷ 7
= 119 ÷ 7
= 17,
Dividing by thousands 1,19000 ÷ 7000,
= 119000 ÷ 1000÷ 7,
= 119 ÷ 7,
= 17.

Question 28.

Answer:
634

Explanation:
Dividing by tens 12,680 ÷ 20,
= 12,680 ÷ 10 ÷ 2,
= 1,268 ÷ 2,
= 634.
Dividing by hundreds 126,800 ÷ 200,
= 126,800÷ 100÷ 2,
= 1,268 ÷ 2,
= 634.
Dividing by thousands 1,268,000 ÷ 2000,
= 1,268,000 ÷ 2,000,
= 12,680 ÷ 1,000 ÷ 2,
=1,268 ÷ 2,
= 634.

Question 29.

Answer:
290

Explanation:
Dividing by tens 23,200 ÷ 80,
= 23,200 ÷ 10 ÷ 8,
= 23,20 ÷ 8,
= 290.
Dividing by hundreds 23,2000 ÷ 800,
= 23,2000 ÷ 100 ÷ 8,
= 2320 ÷ 8,
= 290.
Div iding by thousands 2,320,000 ÷ 8000,
= 2,320,000÷ 1000÷ 8,
= 2320 ÷ 8,
= 290.

Complete.

Question 30.
430 ÷ _10_ = 43
Answer:
10,
Explanation:
Given 430 ÷ 10 = 43.

Question 31.
9,000 ÷ _100_ = 30
Answer:
300,

Explanation:
Given 9,000 ÷ 300,
=9,000 ÷ 100 ÷ 3,
= 90 ÷ 3 = 30.

Question 32.
49,000 ÷ _1,000__ = 7
Answer:
7,000,

Explanation:
49,000 ÷ 7,000,
= 49,000 ÷ 1,000 ÷ 7,
= 49 ÷ 7 = 7.

Question 33.
2,400 ÷ _10__ = 120
Answer:
20,

Explanation:
Given 2,400 ÷ _10__ = 120,
= 2,400 ÷ 120,
= 2,400 ÷ 10 ÷ 12,
= 240 ÷ 12 = 20.

Question 34.
64,000 ÷ _400__ = 160
Answer:
400,

Explanation:
Given 64,000 ÷ 400,
= 64,000 ÷ 100 ÷ 4,
= 640 ÷ 4 = 160.

Question 35.
85,000 ÷ _5,000__ = 17
Answer:
5,000,

Explanation:
Given 85,000 ÷ ____ = 17,
= 85,000 ÷ 17 = 5,000.

Estimate each quotient.

Example
6,452 ÷ 27 rounds to 6,000 ÷ 3 = 200

Question 36.
7,865 ÷ 41 rounds to ____ ÷ ___ = ____
Answer:
7,865 ÷ 41 rounds to 8,000 ÷ 40 = 200,

Explanation:,
Estimate of 7,865 is 8,000,
Estimate of 41 is 40,
So, 8,000 ÷ 40 = 200.

Question 37.
9,125 ÷ 345 rounds to ___ ÷ ___ = ____
Answer:
9,125 ÷ 345 rounds to 9,000 ÷ 300 = 30,

Explanation:
Estimate of 9,125 is 9,000,
Estimate of 345 is 300,
So, 9,000 ÷ 300 = 30.

Question 38.
9,825 ÷ 206 rounds to ___ ÷ ___ = ____
Answer:
9,825 ÷ 206 rounds to 10,000 ÷ 200 = 50,

Explanation:
Estimate of 9,825 is 10,000,
Estimate of 206 is 200,
So, 10,000 ÷ 200 = 50.

Question 39.
7,226 ÷ 871 rounds to ___ ÷ ___ = ____
Answer:
7,226 ÷ 871 rounds to 7200 ÷ 900 = 8,

Explanation:
Estimate of 7,226 is 7,200,
Estimate of 871 is 900,
So, 7,200 ÷ 900 = 8.

Question 40.
5,299 ÷ 49 rounds to ___ ÷ ____ = ____
Answer:
5,299 ÷ 49 rounds to 5,000 ÷ 50 = 100,

Explanation:
Estimate of 5,299 is 5,000,
Estimate of 49 is 50,
So, 5,000 ÷ 50 = 100.

Question 41.
3,654 ÷ 27 rounds to ___ ÷ ___ = ____
Answer:
3,654 ÷ 27 rounds to 3,600 ÷ 30 = 120,

Explanation:
Estimate of 3,654 is 3,600,
Estimate of 27 is 30,
So, 3,600 ÷ 30 = 120.

What number can be evenly divided by 3, 7, and 9?
Color the numbers below that match the answers above to find out.

Answer:

Explanation:
In the above given picture the numbers with green color will divide by 3,
numbers with blue color divide by 7,
numbers with pink color divide by 9.

Practice the problems of Math in Focus Grade 5 Workbook Answer Key Chapter 7 Practice 5 Comparing Three Quantities to score better marks in the exam.

Math in Focus Grade 5 Chapter 7 Practice 5 Answer Key Comparing Three Quantities

Find the greatest common factor for each set of numbers.

Question 1.
5, 10 and 20
Answer: The greatest number that divides 5, 10 and 20 is 5, So Greatest common factor of 5,10 and 20 is 5.

Question 2.
3, 9 and 15
Answer: The greatest number that divides 3, 9 and 15 is 3, So Greatest common factor of 3, 9 and 15 is 3.

Question 3.
6, 24 and 27
Answer: The greatest number that divides 6, 24 and 27 is 3, So Greatest common factor of 6, 24 and 27 is 3.

Complete to express each ratio in simplest form.

Question 4.

Answer: 4 : 3 : 2

Explanation:
Given,
All the numbers 16, 12 and 8 can be divided by 4 to get the simplest form in the ratio of 4 : 3 : 2.

Question 5.

Answer: 7 : 5 : 6

Explanation:
Given,
All the numbers 21, 15 and 18 can be divided by 3 to get the simplest form in the ratio of 7 : 5 : 6.

Question 6.

Answer: 4 : 6 : 9

Explanation:
Given,
All the numbers 20, 30 and 45 can be divided by 5 to get the simplest form in the ratio of 4 : 6 : 9.

Question 7.

Answer: 1 : 3 : 5

Explanation:
Given,
All the numbers 7, 21 and 35 can be divided by 7 to get the simplest form in the ratio of 1 : 3 : 5.

Express each ratio in simplest form.

Question 8.
4 : 16 : 18 ___ : ___ : ___
Answer:
All the numbers 4, 16 and 18 can be divided by 2 to get the simplest form in the ratio of 2 : 8 : 9.

Question 9.
27 : 12 : 21 __ : __ : ___
Answer:
Given,
All the numbers 27, 12 and 21 can be divided by 3 to get the simplest form in the ratio of 9 : 4 : 7.

Question 10.
32 : 8 : 20 = ___ : ___ : ____
Answer: All the numbers 32, 8 and 20 can be divided by 4 to get the simplest form in the ratio of 8 : 2 : 5.

Question 11.
63 : 1 8 : 27 = ___ : ___ : ___
Answer: All the numbers 63, 18 and 27 can be divided by 9 to get the simplest form in the ratio of 7 : 2 : 3.

Complete.

Question 12.

Answer:

All the numbers 2, 5 and 7 can be multiplied by 3 to get the simplest form in the ratio of 6 : 15 : 21.

Question 13.

Answer: All the numbers 3, 7 and 11 can be multiplied by 4 to get the simplest form in the ratio of 12 : 28 : 44.

Question 14.

Answer: All the numbers 20, 15 and 30 can be divided to get the simplest form in the ratio of 4 : 3 : 6.

Question 15.

Answer: All the numbers 32, 20 and 28 can be divided by 4 to get the simplest form in the ratio of 8 : 5 : 7.

Complete.

Question 16.
1 : 2 : 5 ___ : 6 : ___
Answer: All the numbers 1, 2 and 5 can be multiplied by 3 to get the ratio of 3 : 6 : 15.

Question 17.
7 : 4 : 3 = 28: ___ : ___
Answer: All the numbers 7, 4 and 3 can be multiplied by four to get the ratio of 28 : 16 : 12.

Question 18.
4 : 5 : 9 = ___ : 25 : ___
Answer: All the numbers 4, 5 and 9 can be multiplied by 5 to get the ratio of 20 : 25 : 45.

Question 19.
16 : 14 : 6 = ___ : ___ : 3
Answer: All the numbers 16, 14 and 6 can be divided by 2 to get the simplest form in the ratio of 8 : 7 : 3.

Question 20.
18 : 24 : 30 = ___ : 4 : ___
Answer: All the numbers 18, 24 and 30 can be divided by 6 to get the simplest form in the ratio of 3 : 4 : 5.

Question 21.
35 : 42 : 56 = 5 : ___ : ___
Answer: All the numbers 35, 42 and 56 can be divided by 7 to get the simplest form in the ratio of 5 : 6: 8.