Subtracting Integers

Subtracting is ...

• adding a positive

• adding the opposite

• adding a negative

• adding the same

-2-4

2-9

-1-(-5)

When you subtract a negative it is like...

• subtracting a positive

• adding a negative

• adding a positive

3-(-1)

-2-(-4) is also like

• -2+4

• 2+4

• -2-4

3-5 is also like

• 3+5

• 3-(-5)

• 5-3

• 3+-5

Write 2-1 as an addition problem

2+-1=