Name:    Lesson 6: Multiplying Numbers Close to Tens

1.

Which diagram shows 4 59?
 a. b. c. d. 2.

Which multiplication expression does this diagram show? a. 3 9 b. 99 4 c. 89 3 d. 3 98

3.

Which would you use to calculate 4 97?
 a. 4 100 = 400400 12 = 388 c. 4 100 = 400400 3 = 397 b. 4 100 = 400400 + 12 = 412 d. 4 100 = 400400 4 = 396

4.

Which would you use to calculate 7 89?
 a. 7 90 = 630630 + 7 = 637 c. 7 90 = 630630 11 = 619 b. 7 90 = 630630 7 = 623 d. 7 90 = 630630 1 = 629

5.

Which would you use to calculate 5 31?
 a. 5 30 = 150150 + 5 = 155 c. 5 30 = 150150 + 1 = 151 b. 5 30 = 150150 - 5 = 145 d. 5 30 = 150150 + 3 = 153

6.

Which would you use to calculate 37 99?
 a. 37 100 = 37003700 + 7 = 3707 c. 37 100 = 37003700 37 = 3663 b. 37 100 = 37003700 7 = 3693 d. 37 100 = 37003700 + 37 = 3737

7.

Which would you use to calculate 7 82?
 a. 7 80 = 560560 + 7 = 567 c. 7 80 = 560560 7 = 553 b. 7 80 = 560560 14 = 546 d. 7 80 = 560560 + 14 = 574

8.

Choose the correct answer for 71 9.
 a. 639 b. 637 c. 631 d. 630

9.

Choose the correct answer for  52 8.
 a. 400 b. 484 c. 416 d. 408

10.

Choose the correct answer for 7 99.
 a. 707 b. 697 c. 700 d. 693