Integer Operations (+)
Integer Operations (-)
Integer Operations (*)
Integer Operations (/)
Vocabulary/Rules
100
25 + 27
52
100
15 - 38
-23
100
100 x 4
400
100
100 / 4 =
25
100
Positive Numbers and Negative Whole Numbers and Zero (No fractions or decimals)
Integers
200
-37 + (-13)
-50
200
-14 - -12
-2
200
8 x (-4)
(-32)
200
8 / (-4) =
(-2)
200
The opposite of a number. The sum of a number and this is 0.
Additive Inverse
300
-7 + 13
6
300
-12 - 24
-36
300
-12 x -5
60
300
-48 / 6 =
(-8)
300
Distance of a point or number from zero on a number line. Always positive.
Absolute Value
400
7 + -13
-6
400
The temperature was 10 degrees and dropped 25 degrees overnight. What was the temperature in the morning?
-15 degrees
400
-2 x 6
-12
400
-120 / -40 =
3
400
The operation you use the song below for:
"Same sign add and keep, different sign subtract, keep the sign of the larger number, then you'll be exact."
Addition
500
C -2
500
A
500
The temperature dropped 3 degress each hour for 4 hours. How much did the temperature change?
-12 degrees
500
The temperature dropped 60oF over 12 hours. What is the hourly change in temperature per hour?
-5oF/hour
500
The operation you use the trick Keep, Change, Change for
Subtraction