11-21 Review of Adding and Subtracting

Re-write as addition: -4 - 3

• 4 + 3

• -4 + 3

• -4 + (-3)

• -4 - 3

Re-write as an addition problem: 6 - (-3)

• 6 + 3

• -6 - 3

• 6 - 3

• 6 + -(3)

Re-write as an addition problem: 43 - 27

• -43 - 27

• 43 + (-27)

• -43 + (-27)

• 43 + 27

Re-write as an addition problem: 2 - 3

• 2 + (-3)

• -2 - 3

• -2 + 3

Re-write as an addition problem: 10 - 12

• 10 + (-12)

• -10 + 12

• 10 - (-12)

• 10 + 12

Re-write as an addition problem: 3 - (-2)

• 3 + 2

• 3 - (2)

• 3 + (-2)

• 3 - (-2)

Re-write as an addition problem: - 3 - (+2)

• -3 + 2

• -3 + (2)

• -3 + (-2)

• -3 - (-2)

You "ADD the OPPOSITE"

• When multiplying negative and positive integers.

• When dividing negative and positive integers

• When changing a subtraction problem into an addition problem

• When adding fractions

3 + -7

• 10
• 4
• -10
• -4

-7 - 2

• -9
• 9
• 5
• -5