Integer Operations
-9 + -4 =
-13
3.16 +.3 =
3.46
10 x -1/2
-5
Jane has 1/2 cup of flour. She borrows another 1/3 cup. How much flour does she have now?
5/6 of a cup
Additive Inverse of -6.75
6.75
-18 divided by 3 =
-6
3.16 - .3
2.86
2/4 + 1/3 =
5/6
True or False
The solution to this problem will be negative because both decimals are negative.
-3.4 x -2.8
False: multiplying same signs equals a positive
Why is -0.75 a rational number, but not an integer?
Integers are only whole numbers and their opposites and this is a decimal.
-7 - 3 =
-10
-23.25 divided by 5
-4.65
5/8 divided by -3/12
-2 1/2
Sara borrowed $92.40 from her friend. She has to pay her back in six months using her allowance. What effect will Sara's repayment have on her monthly allowance?
-$15.40
What is the simplest form of this fraction?
75/100
3/4
-32 x -14
448
16.3 x -6 =
-97.8
4 2/7 + (-6)
-1 5/7
A container of rainwater is evaporating at 1.5 inches per week. How many weeks will it take for the rainwater in the container to evaporate 27 inches?
18 weeks
Which property?
4 x 6 x 9 = 6 x 9 x 4
Commutative
-72 - (-42) =
-30
55.318 divided by 3.4
16.27
3 1/5 - 5 2/3
-2 7/15
Precipitation for September was 2 3/4 inches less than average. In October the precipitation was 1 1/8 inches less than average. How many inches below average was the precipitation for both months?
-3 7/8
What property?
4 + (6 + 9) = (4 + 6) + 9
Associative