Multiply by a Two-Digit Number

Estimate Products

100

Estimate the product.

12 × 34 = _____

10 × 30 = 300

200

Estimate the product.

16 × 48 = _____

20 × 50 = 1,000

300

Estimate the product.

53 × 75 = _____

50 × 80 = 4,000

400

Estimate the product.

89 × 21 = _____

90 × 20 = 1,800

500

Estimate the product.

94 × 91 = _____

90 × 90 = 8,100

Distributive Property

100

Use the Distributive Property to solve.

12 × 4 = _____

(10 × 4) + (2 × 4) = 40 + 8 = 48

200

Use the Distributive Property to solve.

22 × 12 = _____

(20 × 12) + (2 × 12) = 240 + 24 = 264

300

Use the Distributive Property to solve.

34 × 15 = _____

(30 × 15) + (4 × 15) = 450 + 60 = 510

400

Use the Distributive Property to solve.

25 × 36 = _____

(25 × 30) + (25 × 6) = 750 + 150 = 900

500

Use the Distributive Property to solve.

19 × 44 = _____

(19 × 40) + (19 × 4) = 760 + 76 = 836

2-Digit by 1-Digit

100

Multiply.

51 × 8 = _____

408

200

Multiply.

74 × 3 = _____

222

300

Multiply.

62 × 8 = _____

496

400

Multiply.

87 × 3 = _____

261

500

Multiply.

98 × 8 = _____

784

2-Digit by 2-Digit

100

Multiply.

23 × 10 = _____

230

200

Multiply.

15 × 12 = _____

180

300

Multiply.

45 × 13 = _____

585

400

Multiply.

62 × 24 = _____

1,488

500

Multiply.

96 × 84 = _____

8,064