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Multiplying by 10s, 100s, and 1000s
Estimating Multiplication Problems
Distributive Property
Associative Property
Partial Products
100

What is 25x10?

250

100

Estimate the product:

234x4

800

100

Solve using Distributive Property:

4 x (3+5)

32

100

Solve using Associative Property:

2 x (3 x 4)

24

100

Solve using Partial Products:

23 x 4 =

92

200

What is 150x100?

15,000

200

Estimate the product:

342x5

1,500

200

Solve using Distributive Property:

5 x (20+6)

130

200

Solve using Associative Property:

1 x (70 x 5)

350

200

Solve using Partial Products:

56 x 3 =

168

300

What is 60x10?

600

300

Estimate the product:

456x3

1,500

300

Solve using Distributive Property:

6 x (10+40)

300

300

Solve using Associative Property:

25 x (4 x 2)

200

300

Solve using Partial Products:

45 x 5 =

225

400

What is 800x1000?

800,000

400

Estimate the product:

678x6

4,200

400

Solve using Distributive Property:

7 x (40+3)

301

400

Solve using Associative Property:

5 x (9 x 5)

225

400

Solve using Partial Products:

73 x 7 =

511

500

What is 300x1000?

300,000

500

Estimate the product:

987x2

2,000

500

Solve using Distributive Property:

80 x (5+2)

560

500

Solve using Associative Property:

50 x (6 x 20)

6,000

500

Solve using Partial Products:

123 x 8 =

984