Review

When combining integers with same signs,

• ADD the numbers and keep the sign

• SUBTRACT the numbers

• MULTIPLY the numbers

• DIVIDE the numbers

When combining integers with DIFFERENT signs,

• ADD them

• SUBTRACT them & keep the sign of the larger number

• MULTIPLY them

• DIVIDE them

-9 + (-7)=

• 16
• 2
• -2
• -16

50 + (-8)=

• -42
• 58
• -58
• 42

Will the sum of 8 + (-9) be positive or negative?

• positive
• negative

-10 + 4 =

• 6
• -6
• 14
• -14

-3 + (-6) = 

• -3
• 3
• -9
• 9

17 + (-10) = 

• 7
• -7
• -17
• 17

-9 + (-11)

• -2
• 2
• 20
• -20

-6 + 9

• 15

• -3

• -15

• 3