Chapter 2 Review

Multiplicative Comparisons

100

See #1 on your paper.  What equation matches the model?

A. 21 x 3 = 7

B. 7 x 3 = 21

C. 7 x 21 = 3

B. 7 x 3 = 21

200

Write an equation.

9 times as many as 3 is 27.

9 x 3 = 27

300

See #2 on your paper. Which comparison sentence matches the model.

A. 36 times as many as 9 is 4.

B. 4 times as many as 36 is 9.

C. 4 times as many as 9 is 36.

C. 4 times as many as 9 is 36.

400

Maddie has 2 times as many stickers on her notebook as Meg. Meg has 5 stickers on her notebook. How many stickers are on Maddie's notebooks?

10 stickers

500

At the zoo, there were 4 times as many monkeys as lions. Tom counted a total of 24 monkeys. How many lions were at the zoo?

6 lions

Multiply Tens, Hundreds, Thousands

100

9 x 60

540

200

8 x 300

2,400

300

4 x 7,000

28,000

400

See #3 on your paper.  Fill in the boxes.

7 hundreds

35 hundreds

3,500

500

See #4 on your paper.  Fill in the boxes.

6 hundreds

18 hundreds

1,800

Multiply Using the Area Model

100

4 x 72

288

200

6 x 138

828

300

7 x 365

2,555

400

3 x 4,279

12,837

500

5 x 6,948

34,740

Review

100

How many times greater is the 6 in 23,692 than the 6 in 37,165?

10 times greater

200

What is 204,583 written in expanded form?

200,000 + 4,000 + 500 + 80 + 3

300

Round 462,903 to the nearest ten thousands place.

460,000

400

359,462 + 163,819 =

523,281

500

614,283 - 362,594 =

251,689