3.2/3.3 Adding and Subtracting Rational Numbers

Find the sum.
2.98 + 5.3 = ____

• 2.51
• 8.28
• 3.63
• 2.37

7.9 + 18.72

• 2.662
• 26.62
• 1
• 25.62

94 - 4.8 =

• 89.2
• 5.4
• 90.80
• 98.8

What is the sum of 34 and 2.5

• 59

• 5.9

• 36.5

• 31.5

Rewrite the problem as addition.

-5.66 - (-4.1)

• 5.66 + (-4.1)

• -5.66 + 4.1

• -5.66 + (-4.1)

• -5.66 - 4.1

-23.4 - 3.4= 

• -20
• 26.8
• -26.8
• 20

-40 + 15.05= 

• 55.05
• 24.95
• -24.95
• 14.65

Tell whether this sentence is always true, sometimes true, or never true.  (COME UP WITH EXAMPLES BEFORE YOU PICK)

negative - positive = negative

• always true
• sometimes true
• never true

16 - (-9) 

• -7
• 11
• 15
• 25

-2 - (-10) 

• -12
• 12
• 8
• -8