Solution to

Frame 1-35

multiplying, and dividing whole numbers and checking your answers.

408

If you feel that you need more review on solving and/or checking

problems, look over the appropriate frames again. Then work the

ac + ad + bc + bd =

following self-test exercises shown below. The solutions are found on

the following page. NOTE: When there is more than one method of

(10)(30) + (10)(4) +

checking an answer, only one or two methods may be shown.

(2)(30) + (2)(4) =

300 + 40 + 60 + 8 = 408

1. Set up and solve the problems below.

a. 455 x 33 =

12

x 34

48

b. 3,690 - 2,460 =

360

408

c. 44 + 275 + 9 =

50 =

d. 400

2. Solve and check each of the problems below.

a.

3/406

Check:

b.

389

Check:

27

+ 122

c.

47

Check:

x 22

d.

996

Check:

- 57

3. a. 16 + 4 2 = _________

b. 2 (4 + 3) = __________

c. a (c + d) = __________

MD0900

1-16

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