Chapter 3 Review

Multiplying by 10s, 100s, and 1000s

100

What is 25x10?

250

200

What is 150x100?

15,000

300

What is 60x10?

600

400

What is 800x1000?

800,000

500

What is 300x1000?

300,000

Estimating Multiplication Problems

100

Estimate the product:

234x4

800

200

Estimate the product:

342x5

1,500

300

Estimate the product:

456x3

1,500

400

Estimate the product:

678x6

4,200

500

Estimate the product:

987x2

2,000

Distributive Property

100

Solve using Distributive Property:

4 x (3+5)

32

200

Solve using Distributive Property:

5 x (20+6)

130

300

Solve using Distributive Property:

6 x (10+40)

300

400

Solve using Distributive Property:

7 x (40+3)

301

500

Solve using Distributive Property:

80 x (5+2)

560

Associative Property

100

Solve using Associative Property:

2 x (3 x 4)

24

200

Solve using Associative Property:

1 x (70 x 5)

350

300

Solve using Associative Property:

25 x (4 x 2)

200

400

Solve using Associative Property:

5 x (9 x 5)

225

500

Solve using Associative Property:

50 x (6 x 20)

6,000

Partial Products

100

Solve using Partial Products:

23 x 4 =

92

200

Solve using Partial Products:

56 x 3 =

168

300

Solve using Partial Products:

45 x 5 =

225

400

Solve using Partial Products:

73 x 7 =

511

500

Solve using Partial Products:

123 x 8 =

984