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Multiply by Multiples of 10, 100, and 1,000
Estimate Products
Use Partial Products to Multiply
Mental Math Strategies for Multiplication
Choose a Strategy to Multiply
100

4 x 2,000

8,000

100

6 x 125

600 (Answers may vary)

100

1,092 x 8

16;

720;

8000;

8,736

100

22 x 5

110

100

25 x 6

150

200

8 x 7 = ______

8 x 70 = ______

8 x 700 = _______

8 x 7,000 = _______

56

560

5,600

56,000

200

4 x 2,610

12,000 (Answers may vary)

200

4,261 x 3

3;

180;

600;

12,000;

12,783

200

404 x 6

2,424

200

83 x 5

415

300

3 x 70 = _____

3 x 700 = _____

3 x 7,000 = _____

210

2,100

21,000

300

538 x 3

1,500 (Answers may vary)

300

1,990 x 2

180;

1800;

2,000;

3,980

300

7 x 250

1,750

300

245 x 3

735

400

_____ = 6 x 40

_____ = 6 x 400

_____ = 6 x 4,000

240

2,400

24,000

400

314 x 7

2,100 (Answers may vary)

400

2,347 x 6

42; 

240;

1,800

12,000

14,082

400

2 x 395

790

400

4 x 4,347

17,388

500

8 x 50 = _____

8 x 500 = _____

8 x 5,000 = _____

400

4,000

40,000

500

7 x 486

3,500 (Answers may vary)

500

3,022 x 5

10; 

100; 

15,000; 

15,110

500

4 x 1,995

7,980

500

9,749 x 5

48,745