Adding, Subtracting, Multiplying Rational Numbers

-3/8 + -2/5

• -31/40

• -1/40

• 1/40

• 31/40

-254 + 119

• -373

• -135

• 135

• 373

-254 + -119

• -373

• -135

• 135

• 373

65 - (-15)

• -80

• -50

• 50

• 80

34.5 + (-7) = (a)  

• -41.5

• 41.5

• -27.5

• 27.5

What is the sum of 4 3/10 and (-6.2)? Express your answer as a decimal.

Mathematical Equivalence

ON

Find the sum. (-4.8) + 2.1

Mathematical Equivalence

ON

-7.79 + 5.4

Mathematical Equivalence

ON

Match the following

• 3.4

• -4.7 + (-5.65)

• -10.35

• -3.18 + 8.02

• 4.84

• -3.8 + 7.2

-65 - (-15)

• -80

• -50

• 50

• 80