Small quiz to repeat the basics of math for middle school. For addition and subtraction of negative numbers there are two rules: 1) Adding a negative number is like subtracting a positive number 2) Subtracting a negative number is like adding a positive number
11
9 - (-7 + 5) = 9 - (-2) = 9 + 2 = 11
1
(-4) - (-5) = (-4) + 5 = 1
0
(-2) - (-2) = (-2) + 2 = 0