Adding and Subtracting Negative Integers and Decimals

When adding with the same sign you.....

• subtract and take the sign of the larger number

• add the opposite

• add and keep the sign

• subtract and keep the sign

-1/2 - (-5/9)

• 1/18

• -1/18

• 6/11

• 4/18

Answer explanation

Correct answer 1/18

• -11

• -10

• -6

• 6

-3 - 11

• 8

• -14

• 14

• -8

(-⅚) - (⅗)

• -1   13/30

• 1   13/30

• -7/30

• 7/30

What is the value of 18 - 23.2 ?

• -5.2

• -5.8 

• 5.2

• 5.8

3 + -7

• 10

• 4

• -10

• -4

-9 + (-5)

• -14

• 14

• -4

-7 - 2

• -9

• 9

• 5

• -5

What is the rule for adding two negatives?

• Add and Keep

• Absolute value and subtract