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## Go Math Grade 3 Answer Key Chapter 5 Use Multiplication Facts

Step by Step Solution is given in the HMH Go Math Grade 3 Answer Key by subject experts keeping in mind the student’s level of understanding. Have an overview of the concepts present in Grade 3 Chapter 5 through the quick links available. Utilize the Grade 3 HMH Go Math Answer Key Chapter 5 Use Multiplication Facts and clear your queries regarding the topics instantly. You just need to click on the below mentioned Go Math 3rd standard Grade 3 Chapter Key links and take your preparation to the next level.

**Lesson 1: Algebra • Describe Patterns**

**Lesson 2: Algebra • Find Unknown Numbers**

**Mid-Chapter Checkpoint**

**Lesson 3: Problem Solving • Use the Distributive Property**

**Lesson 4: Multiplication Strategies with Multiples of 10**

- Multiplication Strategies with Multiples of 10 Page No 285
- Multiplication Strategies with Multiples of 10 Lesson Check Page No 286

**Lesson 5: Multiply 1-Digit Numbers by Multiplies of 10**

- Multiply 1-Digit Numbers by Multiplies of 10 Page No 291
- Multiply 1-Digit Numbers by Multiplies of 10 Lesson Check Page No 292

**Chapter 5 Review/Test**

- Review/Test Page No 293
- Review/Test Page No 294
- Review/Test Page No 295
- Review/Test Page No 296
- Review/Test Page No 297
- Review/Test Page No 298

### Describe Patterns Page No 265

Describe a pattern for the table. Then complete the table.

Question 1.

Answer: Add 6 muffins for each pan; Multiply the number of pans by 6.

Explanation:

Now we have to multiple no. of pans by 6

4 × 6 = 24; 5 × 6 = 30

Question 2.

Wagons | 2 | 3 | 4 | 5 | 6 |

Wheels | 8 | 12 | 16 | _______ | _______ |

Answer:

Wagons | 2 | 3 | 4 | 5 | 6 |

Wheels | 8 | 12 | 16 | 20 |
24 |

Explanation:

Add 4 wheels for each Wagons; Multiply the number of Wagons by 4

5 × 4 = 20; 6 × 4 = 24

Question 3.

Vases | Flowers |

2 | 14 |

3 | _______ |

4 | 28 |

5 | _______ |

6 | 42 |

Answer:

Vases | Flowers |

2 | 14 |

3 | 21 |

4 | 28 |

5 | 35 |

6 | 42 |

Explanation:

Add 7 flowers for each vase; Multiply the number of flowers by 7

3 × 7 = 21; 5 × 7 = 35

Question 4.

Spiders | Legs |

1 | 8 |

2 | _______ |

3 | 24 |

4 | _______ |

5 | 40 |

Answer:

Spiders | Legs |

1 | 8 |

2 | 16 |

3 | 24 |

4 | 32 |

5 | 40 |

Explanation:

Add 8 legs for each spider and then multiply the number of spiders by 8

i.e., 8 × 2 = 16; 8 × 4 = 32

**Problem Solving**

### Describe Patterns Lesson Check Page No 266

Question 1.

Which of the following describes a pattern in the table?

Options:

a. Multiply by 3.

b. Multiply by 5.

c. Add 1.

d. Add 4.

Answer: Multiply by 5

Explanation:

From the above table, we can see that each chair is added by 5 for each table.

So, multiply the number of tables by 5

The correct answer is option B

Question 2.

Which number completes this table?

Options:

a. 30

b. 20

c. 24

d. 22

Answer: 24

Explanation:

Each butterfly is added by 4

Multiply the number of butterflies by 4

4 × 6 = 24 wings

So, the correct answer is option C

**Spiral Review**

Question 3.

Jennilee buys 7 packs of crayons. There are 6 crayons in each pack. How many crayons does Jennilee buy in all?

Options:

a. 13

b. 36

c. 42

d. 48

Answer: 42

Explanation:

Given that, Jennilee buys 7 packs of crayons

There are 6 crayons in each pack

1 pack = 6 crayons

7 packs = x

x × 1 = 6 × 7

x = 42

Question 4.

Maverick has 5 books of circus tickets. Each book has 5 tickets. How many tickets does Maverick have in all?

Options:

a. 10

b. 15

c. 20

d. 25

Answer: 25

Explanation:

Maverick has 5 books on circus tickets

Each book has 5 tickets

1 book =5 tickets

5 books = x tickets

x × 1 = 5 × 5

x = 25

Thus the correct answer is option D

Question 5.

Bailey walked his dog 2 times each day for 9 days. How many times did Bailey walk his dog in all?

Options:

a. 9

b. 11

c. 18

d. 27

Answer: 18

Explanation:

Given, Bailey walked his dog 2 times each day for 9 days

Number of times Bailey walk his dog in all = x

x = 9 × 2

x = 18

Thus the correct answer is option C

Question 6.

Drew’s Tree Company delivers pear trees in groups of 4. Yesterday, the company delivered 8 groups of pear trees. How many pear trees were delivered in all?

Options:

a. 12

b. 16

c. 24

d. 32

Answer: 32

Explanation:

Given,

Drew’s Tree Company delivers pear trees in groups of 4

Yesterday, the company delivered 8 groups of pear trees

How many pear trees were delivered in all = x

x = 4 × 8

x = 32

Thus the correct answer is option D

### Find Unknown Numbers Page No 271

Find the unknown factor.

Question 1.

n × 3 = 12

Think: How many groups of 3 equal 12?

n = 4

Answer: 4

Explanation:

n × 3 = 12

n = 12/4

n = 3

Question 2.

s × 8 = 64

s = ________

Answer: 8

Explanation:

How many groups of 8 equals 64?

s × 8 = 64

s = 64/8

s = 8

Question 3.

21 = 7 × n

n = ________

Answer: 3

Explanation:

Number of groups 7 equals 21

21 = 7 × n

n = 21/7

n = 3

Question 4.

y × 2 = 18

y = ________

Answer: 9

Explanation:

y × 2 = 18

y = 18/2

y = 9

Question 7.

m × 4 = 28

m = ________

Answer: 7

Explanation:

Here m is the unknown product

4 × m = 28

4m = 28

m = 28/4

m = 7

Question 8.

★ × 1 = 9

★ = ________

Answer: 9

Explanation:

Here the symbol ★ is the unknown product

★ = 9/1

★ = 9

Question 9.

18 = 6 × r

r = ________

Answer: 3

Explanation:

r is the unknown product

6 × r = 18

r = 18/6

r = 3

Question 10.

u × 5 = 30

u = ________

Answer: 6

Explanation:

u is the unknown product

u × 5 = 30

5u = 30

u = 30/5

u = 6

Question 11.

4 × ■ = 24

■ = ________

Answer: 6

Explanation:

■ is the unknown product

4 × ■ = 24

■ = 24/4

■ = 6

Therefore the answer is 6

Question 14.

5 × ▲ = 40

▲ = ________

Answer: 8

Explanation:

Here the symbol ▲ is the unknown product

▲ × 5 = 40

▲ = 40/5

▲ = 8

Question 15.

30 = d × 3

d = ________

Answer: 10

Explanation:

d is the unknown product

30 = d × 3

30/3 = d

d = 30/3

d = 10

Therefore the answer is 10

Question 16.

7 × k = 42

k = ________

Answer: 6

Explanation:

k is the unknown product

7 × k = 42

k = 42/7

k = 6

**Problem Solving**

### Find Unknown Numbers Lesson Check Page No 272

Question 1.

What is the unknown factor?

b × 7 = 56

Options:

a. 6

b. 7

c. 8

d. 9

Answer: 8

Explanation:

b × 7 = 56

b = 56/7

Now we have to check how many groups of 7 equals 56

7 × 8 = 56

b = 8

Thus the answer is option C

Question 2.

What is the unknown factor shown by this array?

3 × ■ = 24

Options:

a. 3

b. 6

c. 8

d. 9

Answer: 8

Explanation:

The unknown product is ■

Here we have to find the product of 3 × ■ which equals 24

3 × ■ = 24

■ = 24/3

■ = 8

Therefore the unknown factor shown by this array is 8

**Spiral Review**

Question 3.

Which is an example of the Commutative Property of Multiplication?

Options:

a. 6 + 4 = 4 + 6

b. 4 × 6 = 6 × 4

c. 4 × 3 = 4 + 8

d. 3 × 6 = 9 × 2

Answer: 4 × 6 = 6 × 4

Explanation:

According to the commutative property of multiplication, changing the order of the numbers we are multiplying, does not change the product.

a × b = b × a

So, the answer is 4 × 6 = 6 × 4

Question 4.

Find the product.

5 × (4 × 2)

Options:

a. 13

b. 22

c. 40

d. 80

Answer: 40

Explanation:

This is in the form of a × (b × c)

First, multiply 4 and 2

5 × (4 × 2) = 5 × 8

5 × 8 = 40

Therefore the correct answer is option D

Question 5.

Which number sentence is an example of the Distributive Property?

Options:

a. 4 × 7 = (4 × 3) + (4 × 4)

b. 4 × 7 = 7 × 4

c. 4 × 7 = 28

d. 7 × 4 = 15 + 13

Answer: 4 × 7 = (4 × 3) + (4 × 4)

Example:

To “distribute” means to divide something or give a share or part of something. According to the distributive property, multiplying the sum of two or more addends by a number will give the same result as multiplying each addend individually by the number and then adding the products together.

The example of Distributive Property is 4 × 7 = (4 × 3) + (4 × 4)

Question 6.

In a group of 10 boys, each boy had 2 hats. How many hats did they have in all?

Options:

a. 5

b. 12

c. 20

d. 40

Answer: 20

Explanation:

Given that,

Each boy has 2 hats

A group of 10 boys has x hats

x × 1 = 2 × 10

x = 20

### Mid-Chapter Checkpoint Page No 273

**Vocabulary
**Choose the best term from the box.

Question 1.

An __________ is a number sentence that uses the equal sign to show that two amounts are equal.

__________

Answer: Equation

Explanation:

The definition of the Equation is the number sentence that uses an equal sign to show that two amounts are equal.

**Concepts and Skills**

Describe a pattern in the table. Then complete the table.

Question 2.

Type below:

__________

Answer:

Weeks | 1 | 2 | 3 | 4 | 5 |

Days | 7 | 14 | 21 | 28 |
35 |

Explanation:

First of all look for the pattern to complete the table.

As you look across the rows you can find the days are increased by 7 for each week.

Now use the pattern to find the number of days in 4 and 5 weeks.

7 × 4 = 28; 7 × 5 = 35

Question 3.

Type below:

__________

Answer:

Tickets | 2 | 3 | 4 | 5 | 6 |

Cost | $8 | $12 | $16 | $20 |
$24 |

Explanation:

Look for the pattern to complete the table.

As you look across the rows you can find the cost increased by $4 for each ticket.

Now use the pattern to find the cost for 5 and 6 tickets

4 × 5 = 20; 4 × 6 = 24

Question 4.

Type below:

__________

Answer:

Project Teams | Members |

3 | 9 |

4 | 12 |

5 | 15 |

6 | 18 |

7 | 21 |

Explanation:

Look for the pattern by comparing the columns in the table. You can multiply number of project teams by 3 to find the members.

3 × 5 = 15; 3 × 7 = 21

Question 5.

Type below:

__________

Answer:

Tables | Chairs |

1 | 8 |

2 | 16 |

3 | 24 |

4 | 32 |

5 | 40 |

Explanation:

Look for the pattern by comparing the rows in the table.

Now multiply the number of tables by 8 so that you can find the number of chairs for 3 and 5 tables.

3 × 8 = 24; 5 × 8 = 40

Find the unknown number.

Question 6.

m × 5 = 30

m = _______

Answer: 6

Explanation:

m is the unknown product

m × 5 = 30

m = 30/5

m = 6

Therefore the value of m is 6

Question 7.

■ × 6 = 48

■ = _______

Answer: 8

Explanation:

■ is the symbol of the unknown product

■ × 6 = 48

■ = 48/6

■ = 8

Question 11.

★ × 10 = 10

★ = _______

Answer: 1

Explanation:

★ is the symbol of the unknown product

★ × 10 = 10

★ = 10/10

★ = 1

### Mid-Chapter Checkpoint Lesson Check Page No 274

Question 12.

Describe a pattern in the table.

Type below:

__________

Answer: Multiply by 6

Explanation:

As you look across the rows, you can see that the number of stickers increases by 6 for each package.

Question 15.

Kyle saves $10 every week for 6 weeks. How much money will Kyle have in Week 6?

a. 60

Answer:

Weeks | 1 | 2 | 3 | 4 | 5 | 6 |

Amount | $10 | $20 | $30 | $40 |
$50 |
$60 |

Explanation:

Look for the pattern to complete the table.

As you look across the rows you can find the amount increased for each week.

You can multiply 10 by weeks 4, 5 and 6

i.e., 10 × 4 = 40; 10 × 5 = 50; 10 × 6 = 60

Question 16.

Tennis balls cost $7 for a can of 3. Steve gives the cashier $40 to buy balls and receives $12 in change. How many tennis balls did Steve buy?

_______ tennis balls

Answer: 12 tennis balls

Explanation:

Steve spent $40 – $12 = $28

Let y represent the number of cans.

Tennis balls cost $7 for a can of 3

7 × y = 28

y = 28/7

y = 4 cans

So, Steve buys 4 cans of 3 tennis balls

Then, we need to multiply the no. of cans, 4, by the number of tennis balls in each can, 3

4 × 3 = 12 tennis balls

### Use the Distributive Property Page No 279

Read each problem and solve.

Question 1.

Each time a student turns in a perfect spelling test, Ms. Ricks puts an achievement square on the bulletin board. There are 6 rows of squares on the bulletin board. Each row has 30 squares. How many perfect spelling tests have been turned in?

Think: 6 × 30 = 6 × (10 + 10 + 10)

= 60 + 60 + 60 = 180

180 spelling tests

Answer: 180 spelling test

Explanation:

There are 6 rows of squares on the bulletin board

Each row has 30 squares

We can use the distributive property to find the number of perfect spelling tests have been turned in

6 × 30 = 6 × (10+10+10)

6 × 10 + 6 × 10 + 6 × 10

60 + 60 + 60 = 180 spelling test

Question 2.

Norma practices violin for 50 minutes every day. How many minutes does Norma practice violin in 7 days?

_______ minutes

Answer: 350 minutes

Explanation:

Given,

Norma practices violin for 50 minutes every day

To find:

How many minutes does Norma practice violin in 7 days?

We can solve this problem by using the distributive property

7 × 50 = 7 × (20 + 30) = (7 × 20) + (7 × 30)

= 350 minutes

### Use the Distributive Property Lesson Check Page No 280

Question 1.

Each snack pack holds 20 crackers. How many crackers in all are there in 4 snack packs?

Options:

a. 60

b. 80

c. 100

d. 800

Answer: 80

Explanation:

Given:

Each snack pack holds 20 crackers

To find:

How many crackers in all are there in 4 snack packs

By using the Distributive property we can find the crackers in 4 snack packs

4 × 20 = 4 × (10 + 10)

4 × 10 + 4 × 10 = 40 + 40 = 80

Thus the correct answer is option B

Question 2.

A machine makes 70 springs each hour. How many springs will the machine make in 8 hours?

Options:

a. 500

b. 520

c. 540

d. 560

Answer: 560

Explanation:

Given,

A machine makes 70 springs each hour

To find:

How many springs will the machine make in 8 hours

8 × 70 = 8 × (35 + 35)

= (8 × 35) + (8 × 35)

= 280 + 280

= 560

Thus option D is the correct answer

**Spiral Review**

Question 3.

Lila read 142 pages on Friday and 168 pages on Saturday. Which is the best estimate of how many pages Lila read on Friday and Saturday combined?

Options:

a. 100

b. 200

c. 300

d. 400

Answer: 300

Explanation:

Lila read 142 pages on Friday and 168 pages on Saturday

We can estimate the number of pages Lila read on Friday and Saturday combined by using the Distributive property

142 + 168 = (2 × 71) + (2 × 84) = 300

So, the correct answer is option C

Question 4.

Jessica wrote 6 + 6 + 6 + 6 on the board. Which is another way to show 6 + 6 + 6 + 6?

Options:

a. 4 × 4

b. 4 × 6

c. 4 × 4 × 6

d. 6 × 6

Answer: 4 × 6

Explanation:

Jessica wrote 6 + 6 + 6 + 6 on the board

The another way to write 6 + 6 + 6 + 6 is 4 × 6

Because here 6 is added 4 times. So the multiplication form of 6 + 6 + 6 + 6 is 4 × 6

So, the correct answer is option B

Use the line plot for 5–6.

Question 5.

Eliot made a line plot to record the number of birds he saw at his bird feeder. How many more sparrows than blue jays did he see?

Options:

a. 2

b. 3

c. 4

d. 5

Answer: 4

Explanation:

Number of sparrows = 5

Number of Blue Jays = 1

To know how many more sparrows than blue jays we have to subtract number of blue jay from number of sparrows

= 5 – 1 = 4

So, the correct answer is option C

Question 6.

How many robins and cardinals combined did Eliot see?

Options:

a. 2

b. 3

c. 4

d. 5

Answer: 5

Explanation:

Number of robins = 3

Number of Cardinals = 2

Total Number of robins and cardinals = 3 + 2 = 5

So, the answer is option D

### Multiplication Strategies with Multiples of 10 Page No 285

Use a number line to find the product.

Question 1.

2 × 40 = 80

Answer: 80

Explanation:

The number line given above shows that there are 2 groups of 4 tens

So, 2 × 4 tens

2 × 40 = 80

Question 2.

4 × 30 = _______

Answer: 120

Explanation:

There are 4 groups of 3 tens

So, the number jumps from 0 to 30, 30 to 60, 60 to 90, and from 90 to 120.

4 × 3 tens = 4 × 30 = 120

Use place value to find the product.

Question 3.

5 × 70 = 5 × _______ tens

= _______ tens = _______

Answer:

i. 7 tens

ii. 35 tens

iii. 350

Explanation:

70 = 7 × 10 = 7 tens

5 × 70 = 35 × 10 = 35 tens = 350

Question 4.

60 × 4 = _______ tens × 4

= _______ tens = _______

Answer:

i. 6 tens

ii. 24 tens

iii. 240

Explanation:

Here 60 is multiplied with 4

60 = 6 × 10 = 6 tens

60 × 4 = 6 tens × 4

24 tens = 24 × 10 = 240

Question 5.

7 × 30 = 7 × _______ tens

= _______ tens = _______

Answer:

i. 3 tens

ii. 21 tens

iii. 210

Explanation:

30 = 3 × 10 = 3 × 1 ten = 3 tens

7 × 30 = 7 × 3 tens

= 21 tens

= 21 × 10 = 210

Question 6.

90 × 3 = _______ tens × 3

= tens = _______

Answer:

i. 9 tens

ii. 27 tens

iii. 270

Explanation:

90 = 9 × 1 ten = 9 × 10 = 9 tens

9 tens × 3 = 27 tens

27 tens = 27 × 1 ten

= 27 × 10 = 270

**Problem Solving**

### Multiplication Strategies with Multiples of 10 Lesson Check Page No 286

Question 1.

Each bag of pattern blocks contains 50 blocks. To make a class pattern, the teacher combines 4 bags of blocks. How many pattern blocks are there in all?

Options:

a. 20

b. 200

c. 240

d. 250

Answer: 200

Explanation:

Given,

Each bag of pattern blocks contains 50 blocks

To make a class pattern, the teacher combines 4 bags of blocks

Here we make use of multiplication strategies to know the number of pattern blocks

50 × 4 = 5 tens × 4

= 20 tens = 20 × 10 = 200

Therefore the correct answer is option B

Question 2.

A deli received 8 blocks of cheese. Each block of cheese weighs 60 ounces. What is the total weight of the cheeses?

Options:

a. 420 ounces

b. 460 ounces

c. 480 ounces

d. 560 ounces

Answer: 480 ounces

Explanation:

A deli received 8 blocks of cheese

Each block of cheese weighs 60 ounces

60 × 8 = 6 tens × 8

48 tens = 48 × 10 = 480 ounces

So, the correct answer is option C

**Spiral Review**

Question 3.

Alan and Betty collected cans for recycling. Alan collected 154 cans. Betty collected 215 cans. How many cans did they collect in all?

Options:

a. 369

b. 379

c. 469

d. 479

Answer: 369

Explanation:

Given, Alan and Betty collected cans for recycling

Alan collected 154 cans

Betty collected 215 cans

To know total cans they collected in all, we have to add both the cans of Alan and Betty

154 + 215 = 369 cans

Therefore the correct answer is option A

Question 4.

The third graders collected 754 cans. The fourth graders collected 592 cans. Which is the best estimate of how many more cans the third graders collected?

Options:

a. 50

b. 100

c. 200

d. 300

Answer: 200

Explanation:

Given,

The third graders collected 754 cans

The fourth graders collected 592 cans

To find the best estimate of how many more cans the third graders collected

We have to subtract fourth graders cans from third graders can

Here they are asking the estimated number of cans the third graders collected

754 rounded to the nearest hundred is 800 and

592 rounded to the nearest hundred is 600

800 – 600 = 200

Therefore the correct answer is 200

Use the bar graph for 5–6.

Question 5.

How many more books did Ed read than Bob?

Options:

a. 2

b. 3

c. 4

d. 5

Answer: 3

Explanation:

The bar graph shows that Ed read 8 books in June

Bob read 5 books in June

To know the number of books Ed read than Bob

We have to subtract the no. of books Bob read from Ed

= 8 – 5 = 3 books

So, the correct answer is option B

Question 6.

How many books in all did the four students read in June?

Options:

a. 22

b. 24

c. 26

d. 36

Answer: 26

Explanation:

Bob read 5 books in June

Ed read 8 books in June

Eve read 7 books in June

Ann read 6 books in June

Total = 5 + 8 + 7 + 6 = 26 books

So, the answer is option C

### Multiply 1-Digit Numbers by Multiplies of 10 Page No 291

Find the product. Use base-ten blocks or draw a quick picture.

Question 1.

4 × 50 = 200

Answer: 200

Explanation:

First, multiply the ones

4 × o ones = 0

Next, multiply the tens

4 × 5 tens = 200

Question 2.

60 × 3 = _______

Answer: 180

Explanation:

Mutliply the ones

3 × o ones = 0

Now multiply the tens

3 × 6 tens = 18 tens = 180

Question 5.

5 0

× 2

—–

_______

Answer: 100

Explanation:

Multiply the ones

2 × 0 ones = 0

Multiply the tens

2 × 5 tens = 10 tens = 100

Question 6.

6 0

× 7

—–

_______

Answer: 420

Explanation:

Multiply the ones

7 × 0 ones = 0

Multiply the tens

7 × 6 tens = 42 tens = 420

Question 7.

70

× 4

—–

_______

Answer: 280

Explanation:

Multiply the ones

4× 0 ones = 0

Multiply the tens

4 × 7 tens = 28 tens = 280

Question 8.

6 × 90 = _______

Answer: 540

Explanation:

Multiply the ones

6 × 0 ones = 0

Multiply the tens

6 × 9 tens = 54 tens = 540

Question 9.

9 × 70 = _______

Answer: 630

Explanation:

Multiply the ones

9 × 0 ones = 0

Multiply the tens

9 × 7 tens = 63 tens = 630

Question 10.

8 × 90 = _______

Answer: 720

Explanation:

Multiply the ones

8 × 0 ones = 0

Multiply the tens

8 × 9 tens = 72 tens = 720

Question 11.

_______ = 6 × 80

Answer: 480

Explanation:

Multiply the ones

6 × 0 ones = 0

Multiply the tens

6 × 8 tens = 48 tens = 480

**Problem Solving**

### Multiply 1-Digit Numbers by Multiplies of 10 Lesson Check Page No 292

Question 1.

Each shelf in one section of the library holds 30 books. There are 9 shelves in that section. How many books will these shelves hold?

Options:

a. 220

b. 260

c. 270

d. 280

Answer: 270

Explanation:

Given,

Each shelf in one section of the library holds 30 books

There are 9 shelves in that section

30 × 9 = 3 tens × 9

= 27 tens = 270

Therefore the correct answer is option C

Question 2.

One can of juice mix makes 60 ounces of juice. How many ounces of juice can be made from 6 cans of juice mix?

Options:

a. 300 ounces

b. 360 ounces

c. 390 ounces

d. 600 ounces

Answer: 360 ounces

Explanation:

Given,

One can of juice mix makes 60 ounces of juice

Number of ounces of juice can be made from 6 cans of juice mix

60 ounces × 6 = 6 tens × 6

= 36 tens = 360 ounces

Thus the answer is option B

**Spiral Review**

Question 3.

Sue bought 7 cans of tennis balls. There are 3 balls in each can. How many balls did Sue buy?

Options:

a. 10

b. 21

c. 28

d. 37

Answer: 21

Explanation:

Sue bought 7 cans of tennis balls

There are 3 balls in each can

To know the number of balls Sue buy

We have multiply number of cans and number of balls

= 7 × 3 = 21 balls

Question 4.

Which is an example of the Commutative Property of Multiplication?

Options:

a. 3 + 4 = 4 + 3

b. 5 × 0 = 0

c. 1 × 7 = 7

d. 3 × 4 = 4 × 3

Answer: 3 × 4 = 4 × 3

Explanation:

According to the commutative property of multiplication, changing the order of the numbers we are multiplying, does not change the product.

a × b = b × a

3 × 4 = 4 × 3

Option D is the correct example of the Commutative property

Question 5.

Lyn drew this bar model to solve a problem. Which operation should she use to find the unknown number?

Options:

a. addition

b. division

c. multiplication

d. subtraction

Answer: addition

Explanation:

To know the unknown number we have to add both the number of flowers

90 + 54 = 144

Question 6.

Joe drew this bar model to find the unknown number of balls. Which is the correct answer?

Options:

a. 356

b. 256

c. 144

d. 124

Answer: 144

Explanation:

Given that

Joe drew this bar model to find the unknown number of balls

106 balls + ___ = 250 balls

let the unknown number be x

106 + x = 250

x = 250 – 106

x = 144 balls

### Review/Test Page No 293

Question 1.

The camping club wants to rent rafts. Each raft can hold 8 people. Which equation could be used to find how many rafts are needed for 32 people?

Options:

a. 8 × 32 = ■

b. 32 × ■ = 8

c. ■ × 8 = 32

d. 32 × 8 = ■

Answer: ■ × 8 = 32

Explanation:

Each raft can hold 8 people

■ represents raft that can hold 32 people

Now we have to multiple number of people with rafts for 32 people

■ × 8 = 32

■ = 32/8

■ = 4

Therefore 4 rafts are needed for 32 people

Question 2.

Select the equations that show the Distributive Property. Mark all that apply.

Options:

a. 8 × 20 = 8 × (10 + 10)

b. 5 × 60 = 5 × (20 + 40)

c. 30 × 6 = 6 × 30

d. 9 × (4 + 3) = 9 × 7

Answer: a, b, d

Explanation:

The sum of two numbers times a third number is equal to the sum of each addend times the third number.

The above 3 options satisfy the law of Distributive Property

Question 3.

Choose the number from the box that makes the sentence true.

A library has 48 shelves of fiction books. There are 6 shelves in each cabinet.

There are cabinets of fiction books in the library.

_________

Answer: 8

Explanation:

Let x represents cabinets of fiction in the library

x × 6 = 48

x = 48/6

x = 8

Therefore the answer is 8

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Question 4.

For numbers 4a–4d, choose True or False for each equation.

a. 5 × (4 + 4) = 8 × 5

i. True

ii. False

Answer: True

Explanation:

The above question satisfies the distributive property

5 × (4 + 4) = 5 × 8 = 40

8 × 5 = 40

Therefore LHS = RHS

So, the equation is true

Question 4.

b. 8 × (3 + 3) = 8 × 5

i. True

ii. False

Answer: False

Explanation:

8 × (3 + 3) = 8 × 6 = 48

8 × 5 = 40

So, the equation is false

Question 4.

c. (3 × 5) + (5 × 5) = 8 × 5

i. True

ii. False

Answer: True

Explanation:

(3 × 5) + (5 × 5) = 8 × 5

The above question satisfies the distributive property

8 × 5 = 40

(3 × 5) + (5 × 5) = 15 + 25 = 40

Both LHS and RHS are equal

So, the answer is true

Question 4.

d. (3 × 2) + (8 × 3) = 8 × 5

i. True

ii. False

Answer: False

Explanation:

(3 × 2) + (8 × 3)

3 × 2 = 6; 8 × 3 = 24

= (3 × 2) + (8 × 3) = 6 + 24

But it is given as 8 × 5

So, the answer is false

Question 5.

Alya planted 30 trays of flowers. Each tray held 8 flowers. Javon planted 230 flowers. Did Alya plant more flowers than Javon, the same number of flowers as Javon, or fewer flowers than Javon?

Options:

a. She planted more flowers than Javon.

b. She planted the same number of flowers as Javon.

c. She planted fewer flowers than Javon. 6.

Answer: She planted more flowers than Javon.

Explanation:

Given that, Alya planted 30 trays of flowers and each tray held 8 flowers

30 × 8 = 240 flowers

So, Alya planted 240 flowers

Javon planted 230 flowers

To know whether Alya plant more flowers than Javon, the same number of flowers as Javon, or fewer flowers than Javon

We have to subtract Number of flowers planted by Javon from Alya

240 – 230 = 10

So, Alya planted more flowers than Javon

Question 6.

For numbers, 6a–6d, choose Yes or No to show whether the unknown number is 6.

a. 4 × ■ = 32

i. Yes

ii. No

Answer: No

Explanation:

■ = 6

Now we have to substitute ■ = 6 in the above question

4 × 6 = 24

So, the answer is No

b. ■ × 6 = 36

i. Yes

ii. No

Answer: Yes

Explanation:

■ = 6

6 × 6 = 36

It satisfies the above equation

So, the answer is Yes

c. 8 × ■ = 49

i. Yes

ii. No

Answer: No

Explanation:

■ = 6

8 × 6 = 48 but not 49

So, the answer is No

d. ■ × 30 = 180

i. Yes

ii. No

Answer:

Explanation:

■ = 6

6 × 30 = 180

It satisfies the above equation

So, the answer is yes

Question 7.

Each train can carry 20 cars. Use the number line to find how many cars 6 trains can carry.

Answer: 120 cars

Explanation:

Each train can carry 20 cars

6 trains can carry x cars

x × 1 = 20 × 6

x = 120 cars

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Question 8.

Samantha made this multiplication model. Complete the equation that represents the model.

_____ × _____ = _____

Type below:

__________

Answer: 90

Explanation:

Each vertical bar represents a ten. Each group of 3 vertical bars represents 30

We have 3 groups of 30, therefore the equation that represents the model is

3 × 30 = 90 models

Question 9.

A printer prints newsletters for many groups every month. Which group uses the greatest number of pieces of paper?

__________

Answer: Book Lovers Club

Explanation:

From the above table, we can say that Book Lovers Club group uses the greatest number of pieces of paper

Question 10.

A store has 30 boxes of melons. Each box holds 4 bags. Each bag holds 2 melons. What is the total number of melons in the store?

__________ melons

Answer: 240 melons

Explanation:

Given,

A store has 30 boxes of melons

Each box holds 4 bags

Each bag holds 2 melons

1 box holds 4 bags

30 × 4 = 120 bags

1 bag = 2 melons

120 bags = x

x = 120 × 2

x = 240 melons

Therefore total number of melons in the store = 240 melons

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Question 12.

Tim describes a pattern. He says the pattern shown in the table is “Add 3.” Is Tim correct? Explain how you know.

Type below:

__________

Answer:

No, Tim is not correct

The pattern works for the first pair of numbers 1 + 3 = 4

But it doesn’t work for any of the other pairs. The pattern should be to Multiply the number of packages by 4

Question 13.

This shows a part of a multiplication table. Find the missing numbers. Explain how you found the numbers.

Type below:

__________

Answer:

Explanation:

The only numbers that have a product of 35 are 5 and 7. The only numbers that have a product of 40 are 5 and 8.

This tells us that 5 is the number for the row. That means 6 is the next row down, and 7 is the row after that. The factors of 7 and 8 are the columns, so we can multiply to find the missing numbers

Question 14.

Describe a pattern for this table.

Pattern: _____

How would the table change if the pattern was “Multiply the number of tanks by 8”? Explain.

Type below:

__________

Answer: Multiply the number of tanks by 80

The table would change by taking a zero off each number of fish in the second row because you would be multiplying by ones, not tens.

### Review/Test Page No 297

Question 16.

The bookstore has 6 shelves of books about animals. There are 30 books on each shelf. How many books about animals does the bookstore have?

Shade squares to make a diagram to show how you can use the Distributive Property to find the number of books about animals in the bookstore.

__________ animal books

Answer:

6 × (10 + 10 + 10) = (6 × 10) + (6 × 10) + (6 × 10)

= 60 + 60 + 60

= 180 animal books

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Question 17.

Cody saves all his nickels. Today he is getting them out of his piggy bank and wrapping them to take to the bank. He finds he has 360 nickels. It takes 40 nickels to fill each paper wrapper and make a roll. How many wrappers does he need?

Part A

Write an equation using n for the unknown number. Find the number of wrappers needed.

______ × ______ = ______

Answer: n × 40 = 360

Explanation:

n represents no. of wrappers need

Each paper wrapper needs 40 nickels

Cody has 360 nickels

n × 40 = 360

Question 17.

Part B

Explain how you solved this problem and how you know your answer is correct.

Type below:

__________

Answer:

Explanation:

Given that Cony has 360 nickels

Each paper wrapper needs 40 nickels

Let n be the number of wrappers needed

That means n × 40 = 360

n = 360/40

n = 9

So, n wrappers are needed to make the rolls

Question 18.

Ruben is collecting cans for the recycling contest at school. He makes two plans to try to collect the most cans.

Plan A: Collect 20 cans each week for 9 weeks.

Plan B: Collect 30 cans each week for 7 weeks.

Part A

Which plan should Ruben choose?

__________

Answer: Plan B

Collect 30 cans each week for 7 weeks.

Question 18.

Part B

Explain how you made your choice.

Type below:

__________

Answer:

Given that Ruben is collecting cans for the recycling contest at school

His plan is to collect more cans

That means he has to collect more number of cans in less number of weeks

So, Plan B is perfect to win the recycling contest at school

We hope the info shared regarding the Go Math Grade 3 Chapter 5 Answer Key has been beneficial to you. Refer to Go Math Grade 3 Answer Key Chapter 5 Use Multiplication Facts Extra Practice. Practice is the only key to success and make the most out of the Answer Key available and achieve success in your assessments or tests.