Adding and Subtracting Rational Numbers

1 + 4 =

• 3

• 5

• 14

• -5

-3 + 8 =

• 5

• -5

• 11

• -38

-6.4 + -0.21 =

• -0.85

• 6.2

• -6.61

• -6421

-9 + 4 =

• -5

• -13

• 94

• 5

34.5 + (-7) = (a)  

• -41.5

• 41.5

• -27.5

• 27.5

-⅔ - (-⅓) = 

• 1

• -1

• 1/3

• -1/3

-7.79 + 5.4

Mathematical Equivalence

ON

Match the following

• -10.35

• -3.18 + 8.02

• 4.84

• -3.8 + 7.2

• 3.4

• -4.7 + (-5.65)

Find the sum. (-4.8) + 2.1

Mathematical Equivalence

ON

Subtract. 

• 11.25

• 10.85

• 10.95

• 12.25