Multiply by 10's
Estimate Products
Area Models and Partial Products
Multiply Using Partial Products
3.1-3.4 Random
100

10 X 32 =

320

100

18 X 42 =

800

100

22 X 38 =

836

100

26 X 32 =

832

100

43 X 20 =

860

200

12 X 50 = 

600

200

23 X $50 =

$1,000

200

15 x 28 = 

420

200

14 x 38 =

532

200

29 x 65 =

1,885

300

30 X 24 = 

720

300

61 X 52 =

3,000

300

18 X 19 =

342

300

12 x 48 =

576

300

Estimate the product.

74 X 27 =

2,100

400

50 X 45 =

2,250

400

57 x $69 =

$4,200

400

35 x 25 =

875

400

62 x 43 =

2,666

400

36 X 50 =

1,800

500

80 X 55 =

4,400

500

73 X $75 =

$5,250

500

Draw a model to represent the product. Then record the product.

21 x 24 =

504

500

47  x 93 =

4,371

500

86 x 56 = 

4,816