Add Subtract Multiply Divide Positive Numbers

-4 ÷ -2

• 2

• -2

• 4

• 8

-2 x -3

• 6

• 5

• -6

• -5

17 + (-10) = 

• 7

• -7

• -17

• 17

23 - 47 + 18 - (-12) =

• 6

• -18

• 56

3 - (-9)

• 12

• -6

• 6

• -12

100 + 92

• 8

• -192

• 192

• -8

When you add integers with the same sign...

• you always get a positive

• you always get a negative

• you add and keep the sign

• you subtract and take the sign of the larger number

• you keep, change, change

Which operation is represented by the parenthesis in the expression below:

3(c + 2)

• addition

• subtraction

• multiplication

• division

When adding or subtracting rational numbers, what must you have?

• Common Numerator

• Quick Answering Skills

• Common Numbers

• Common Denominators

• Line up decimals with the greater absolute value on top.

• Get common denominators.

• Keep - Change - Opposite

• Be rational.