Adding and Subtracting Negatives

-7+(-10)=

• -17

• 17

• 3

• -3

When adding integers with similar signs,

• ADD the numbers

• SUBTRACT the numbers

• MULTIPLY the numbers

• DIVIDE the numbers

When adding integers with DIFFERENT signs,

• ADD them

• SUBTRACT them

• MULTIPLY them

• DIVIDE them

Add (-5) and (+5)

• +10

• -10

• 0

• -0

When you have the SAME number of POSITIVES and of NEGATIVES, you can cancel them out by making a

" ________ ________ "

EXAMPLE: 5 + (-5)

Find the solution:

-6 + (- 4) =

Which pattern applies to this problem: 13 + (- 2) =

• Same sign: ADD and KEEP

• Different sign: SUBTRACT, KEEP the SIGN of the one with MORE

• This problem is impossible

Find the solution:

13 + (- 2) =

Which pattern applies to this problem:

• Same sign: ADD and KEEP

• Different sign: SUBTRACT, KEEP the SIGN of the one with MORE

• This problem is impossible

Which pattern applies to this problem:

• Same sign: ADD and KEEP

• Different sign: SUBTRACT, KEEP the SIGN of the one with MORE

• This problem is impossible