1.2E: Exercises
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Practice Makes Perfect
Simplify the following:
- −10863
- 120252
- 1421
- −210110
- Answer
-
- −127
- 1021
- 23
- −2111
Perform the operation:
- −34(−49)
- (−1415)(920)
- (−6384)(−4490)
- 37⋅21
- 34÷111
- 518÷(−1524)
- 815÷1225
- 34÷(−12)
- −8211235
- −452
- 1312
- Answer
-
- 13
- −2150
- 1130
- 9
- 334
- −49
- 109
- −116
- −109
- −25
- 23
- 712+58
- 712−916
- −1330+2542
- −3956−2235
- −23−(−34)
- 13+14
- 23+16
- Answer
-
- 2924
- 148
- 17105
- −5340
- 112
- 712
- 56
Simplify
- 5⋅6−3⋅44⋅5−2⋅3
- 52−323−5
- 7⋅4−2(8−5)9⋅3−3⋅5
- 9(8−2)−3(15−7)6(7−1)−3(17−9)
- 213+15
- Answer
-
- 97
- −8
- 116
- 52
- 154
- Why do you need a common denominator to add or subtract fractions? Explain.
- How do you find the LCD of 2 fractions?
- Explain how you find the reciprocal of a fraction.
- Explain how you find the reciprocal of a negative number.
- Answer
-
Answers will vary.