Comparisons
Round to Estimate the Product
Area Models
Word Problems
100

Write a comparison sentence for this equation: 


12 = 3 x 4

12 is 3 times as many as 4

12 is 4 times as many as 3


100

2 x 41 = _____

2 x 40 = 80

100

Solve Using an Area Model: 

4 x 85 = _____

4 x 85 = 340


100

Richard has $60 to spend. He buys 2 soccer balls for $8 each and 3 jerseys for $12. How much money does he have left over? 

$8 leftover 

200

Write a comparison sentence for this equation: 


18 = 3 x 6

18 is 3 times as many as 6

18 is 6 times as many as 3

200

6 x 78 = _____

6 x 80 = 480

200

Solve Using an Area Model: 

6 x 253  = _____

6 x 253 = 1,518


200

Choni has a goal of collecting 300 stickers. On Monday, his mom buys him 2 packages with 18 stickers each. On Tuesday, Richard gives him 4 packages with 20 stickers in each. How many more stickers does Choni need to reach his goal? 

184 stickers 

300

Write a comparison sentence for this equation: 


27 = 9 x 3

27 is 9 times as many as 3

27 is 3 times as many as 9

300

4 x 231 = _____

4 x 200 = 800

300

Solve Using an Area Model: 

5 x 462  = _____

5 x 462 = 2,310

300

Bailey is 12 years old. Her cousin, Ella, is twice as old as Bailey. How old is Ella?

24 years old

400

Write a comparison sentence for this equation: 

56 = 8 x 7

56 is 8 times as many as 7

56 is 7 times as many as 8

400

5 x 458 = _____

5 x 500 = 2,500

400

Solve Using an Area Model: 

2 x 874 = _____

2 x 874 =1,748

400

My cousin's dog weighs 7 pounds. My dog weighs four times as many pounds as my cousin's dog. How much does my dog weigh? 

(Draw comparison boxes to represent this problem.)

28 pounds

500

Write a comparison sentence for this equation: 


72 = 6 x 12

72 is 6 times as many as 12

72 is 12 times as many as 6

500

7 x 761 = ______

7 x 800 = 5,600

500

Solve Using an Area Model: 

3 x 128  = _____

3 x 128 = 384

500

AJ went to the mall this weekend and bought 6 new shirts for $15 each and 3 new pairs of pants for $24 each. He had a coupon for $15 off his purchase. How much money did AJ spend at the mall? 

$147