TRUE OR FALSE: The rules for adding integers are the same as those for adding rational numbers.
TRUE
Negative plus Negative =
NEGATIVE
Positive plus Positive =
POSITIVE
What are the rules for adding with different signs?
1. Subtract
2. Take the sign of the number with the greatest absolute value.
What are the rules for subtracting?
Solve the following:
(-8) + 6 + (-12)
-14
Solve the following:
-6/5 + 6/5
0
Solve the following:
1/2 + 9/16
17/16 or 1 1/16
Solve the following:
-9 - (-9)
0
Solve the following:
0.375 + 0.425
0.800
Solve the following:
-0.25 - (-0.560)
0.31
What is the common denominator between
1/8 and 9/12
24
What is the common denominator between
3/6 and 4/16
48
Solve the following:
10/3 - (-10/2)
50/6 or 25/3 or 8 1/3
Solve the following:
11.5 + (-6.5)
5
Solve the following:
8/4 + (-4/2) + 5/2
10/4 or 5/2 or 2 1/2
Solve the following expression:
-9.7 + 6.1 - (-3.2) + 4.4
4
Solve the following expression:
9.2 + 18.2 - 25.8 - (-9.4)
11
Solve the following expression:
2/3 + 3/8 - 11/12
3/24 or 1/8
Solve the following expression:
-1/8 - 1/4 - 9/16
-15/16