Multiplication Comparisons
Multiply by 10s, 100s, and 1000s
Estimate Products by Rounding
Multiply
PEMDAS
100

7 x ____ = 21

3

100

9 x 60 = 

9 x 600 = 

540

5,400

100

78 x 4 = 

80 x 4 = 320

100

Find the product using any method we have learned. 

8 x 43 = 

344

100

4 + ( 3+7) 

4 + 10 = 14

200

14=2 x ____

7

200

9 x 400 = 

9 x 4000= 

3,600

36,000

200

142 x 8 = 

100 x 8 = 800

200

Find the product using any method we have learned. 

5 x 923

4, 615

200

(2 x 3) + 4 - 2

6 + 4 - 2 = 8 

300

Write a comparison statement for 6 x 4 = 24.

6 times as many as 4 is 24

300

6 x 30 = 

6 x 300 =  

6 x 3000 = 

180

1,800

18,000

300

4 x 5,503 = 

4 x 6,000 = 24,000

300

Find the product using any method we have learned. 

1,347 x 3 = 

4, 041

300

12 + (5 x 5) - 7

12 + 25 - 7 = 30

400

Write a comparison statement for 64 = 8 x 8. 

64 is 8 times as many as 8 

400

A bank has 7 rolls of coins. Each roll has 40 coins. How many coins does the bank teller have? 

7 x 40 = 280

400

2 x 6, 254 = 

2 x 6,000 = 12,000

400

Find the product using any method we have learned. 

8, 326 x 5 = 

41,630

400

12 x 2 + 6 x 3 

24 + 18 = 42 

500

Draw a model to or write an equation solve.

Sally has 9 pennies. Hank has 4 times as many pennies as Sally. How many pennies to Hank have?

9 x 4 = 36 

Hank has 36 pennies

500

A clothing company made 2,000 shirts in each of 4 different colors. How many shirts did the company make in all? 

2,000 x 4 = 8,000

500

4 x 9, 863 = 

4 x 10,000 = 40,000

500

Seafood company A sold 9, 123 pounds of seafood. Company B sold 6 times as many pounds of seafood. How many pounds of seafood did Company B sell? 

9, 123 x 6 = 54, 738

500

27 x 3 - 18 x 2

81 - 36 = 45

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