Rational Number Unit Review

Adding a negative is the same as subtracting.

• True

• False

-2+-5=

• 7

• 3

• -7

• -3

-5+10=

• 5

• -5

• -15

• 15

Subtracting a positive...

• increases the initial value.

• decreases the initial value.

• keeps the value the same.

3-8=

• -11

• 5

• 11

• -5

Subtracting a negative...

• increases the initial value.

• decreases the initial value.

• keeps the answer the same.

-6-(-9)=

• -3

• 15

• 3

• -15

When you add 2 opposites, the answer....

• is 1.

• is 0.

• increases.

• decreases.

-8.53 + 8.53=

• 17.06

• 0

• -17.06

• 8.53

-15-19=

• -34

• 34

• 4

• -4