Topic 5 Vocabulary/ Review Practice

Topic 5 Vocabulary/ Review Practice

Multiplication Table

Find 4 in the first column of the table.

Follow the 4s row until you come to 20.

Then look to the top of that column to find

the missing factor: 5.

20 ÷ 4 = 5

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Missing Numbers

You can use basic facts and properties to

find missing numbers in a multiplication

table.

Use multiplication or division to find

missing factors.

42 ÷ 7 = 6, so 7 × 6 = 42

Use strategies to find products.

3 × 5 = 15

4 × 5 = 20

5 × 5 = 25

6 × 5 = 30

So, 7 × 5 = 35

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Skip Counting

Find 4 × 7 .

You can use skip counting:

7, 14, 21, 28

You can use known facts:

2 × 7 = 14

4 × 7 = (2 × 7) + (2 × 7)

4 × 7 = 14 + 14 = 28

Multiplication Word Problems

You can solve word problems using

multiplication and division.

Aaron has 49 books. His bookcase has

7 shelves. He wants to display an equal

number of books on each shelf. How many

books can Aaron put on each shelf?

You can use a related

multiplication fact:

7 × 7 = 49

49 ÷ 7 = 7

Aaron can put 7 books on each shelf.

Multiple Choice

Oksana’s dad has 36 batteries in his desk drawer. The batteries come in packs of 4. How many packs of batteries

does he have?

• He has 8 packs of batteries.

• He has 4 packs of batteries.

• He has 9 packs of batteries.

• He has 6 packs of batteries.

Put it into EQUAL groups

Write a multiplication story for 4 × 7 .

You can think of multiplication as equal

groups.

Tim has 4 bunches of flowers. Each bunch

has 7 flowers. How many flowers does

Tim have?

Tim has 28 flowers.

Multiple Choice

Which box shows 5 equal groups of 5?

Division Problems

Write a division story for 20 ÷ 5.

If 20 children form 5 equal teams, how many

children are on each team?

20 ÷ 5 = 4

There are 4 children on each team.

Multiple Choice

 $60\div10=$  

Choose the best story to go with the division problem.

• There is 60 buses with 10 children on each bus. How many children are there in all? 

• There 10 containers of lollipops with 6 lollipops in each. How many lollipops are there?

• There is 60 horses in the barn. Each stall gets 7 horses. How many stalls are there? 

• There is 60 popsicles in the freezer. If there is 10 in each box, how many boxes of popsicles is there? 

Thinking Habits and Patterns

Think about these questions to help you look for and make use of structure.

Open Ended

Leroy earns $7 each hour that he works. He works for 8 hours. Rebecca earns $8 each hour that she works. She works for 7 hours.

These expressions show the money they earned.

Leroy                  Rebecca
8 × $7                  7 × $8 

1. Look at the expressions. Explain how you can use what you see to compare without
computing.

2. Who earned more money?