QUIZ 2: SOLVING PROBLEMS WITH RATIONAL NUMBERS
(1.2)^2 = 1.44
True
-3.6 ÷ (-60) = 0.06
True
3/8
The reciprocal of 2 2/3
Add - 3/x + 7y/x .
not - 4y/2x
How much is - 1/4 of 1 1/3?
not -5 1/3
Subtract 8/x - 11/3x .
not 24m - 11/3m
Which of these choices is the best estimate for the answer of 3 1/4 + (-2 2/3)?
not 3
Express -5 2/5 as an improper fraction.
- 27/5
Evaluate: - 8/9 + 4/9 - 2/9 .
-2/3
A necklace has 1/4 -inch links in the chain. The chain is 16 inches long. Which expression could be used to find how many links are in the chain?
16 ÷ 1/4
The value of 3.6 - 2.4 ÷ (-0.8) is _____.
6.6
(0.05)(-0.25) = -1.25
False
125.7 - (-1.82) = 1.439
False
325.8 + (-21.13) = 114.5
False
8/3
The reciprocal of 3/8
Which of the following is not true?
1/2 ÷ 4 = 1/2 • 4/1
The sum of 9/26 and - 4/13 is _____.
1/26
Multiply: - 12/25 - 10/16
3/10
-9/64
3/8 divided by -2 2/3
-2 7/24
The difference between -2 2/3 and - 3/8
-1
The product of - 3/8 and 2 2/3
Which of the following statements is true?
The product of a positive and negative fraction is negative.
2 7/24
The sum of - 3/8 and 2 2/3