Adding Subtracting Numbers

-7.8 + (-0.8)

• 8.6

• -8.6

• 7

• -7

When adding decimals 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

-23.4 - 3.4= 

• -20

• 26.8

• -26.8

• 20

6.59 + (−7.8) − (−2.41)

• 16.8

• 11.98

• -3.62

• 1.2

Braeden currently has a balance of -$12. 32 in his checking account. He deposits $30. What is the balance of Braeden's checking account?

• $42.32

• $17.68

• $12.02

• $18.32

Add the mixed numbers vertically. Simplify if needed.

-9 + (-5)

• -14

• 14

• -4

-67 + -80

• -33

• 85

• -147

• -36

-8+4

• -4

• -12

• 4

• 12