Numeracy Activity
Mental Math
A. Perform the indicated operation
1. -23 + (-12)=
2. 12 - (-12) =
3.(-23) - (-10) =
4.48 + (-22) =
5.(-9) + 8 =

B. Recall the rules in multiplying and dividing integers.
1.(-7)(4)
2. (12) (8)
3.(-7)(-6)
4.(-75) + (-15)
5. (-36) + (4)