FRAME 1-36.
Solution to
SELF TEST. You have completed the section on adding, subtracting,
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) = __________
Check Your Answers on Next Page
MD0900
1-16