1. Integers (-3) + 5 = 2 (-9) + (-8) = -17 (-4) - (-9) = 5 (-2) – 10 =
Think
Thermometer
Taking away a negative is the same as adding
Positive and negative whole numbers including 0.
e.g , -1, 0, 5, 100
(-3) + 5 = 2
(-9) + (-8) =
-17
(-4) - (-9) = 5
(-2) – 10 =
-12
Addition
& Subtraction
Integers
Multiplication
&
Division
(-2) x 10 =
-20
(-2) x (-4) = 8
Remember
order of operation BODMAS
Different signs
= - answer
Same signs
= + answer
(-16) ÷ (-8) = 2
(-27) ÷ 3 = -9
4 – ((-5) –(-2))2 ÷ 3 = 1