Subtracting Ex
-9 - 3 = ?
-12
-9 + 6 = ?
-3
What is absolute value?
The distance a number is from 0 on a number line.
What is the rule for adding numbers with the same signs?
Same signs add, keep the signs
-75.6 - 87.07
-162.67
7 - 5 = ?
2
-54 + - 3
-57
What is the first step in adding fractions ?
Find common denominators.
What is the rule for adding numbers with different signs?
Keep the sign of the number with the larger absolute value and subtract the absolute values
26.9 - (-3.1)
30
-1 - 10
-11
-12 + 7
-5
The sum of two positive number is always positive?
True
What is the rule for subtracting a negative number?
Subtracting a negative number is the same as adding a positive number (Keep Change Change)
89.87 + -100
-10.13
14 - (-26) = ?
40
65 + -97
-32
The difference of two positive numbers is always positive?
False
What is the rule for adding a negative?
Adding a negative number is the same as subtracting a positive number (Keep Change Change)
-325 + (-775)
-1100
-8 - (-6)
-2
1 + (-46)
-45
The sum of a positive and negative number is always negative?
False
.354 + 1/2 = ?
.854