Adding Rational Numbers Different Forms

Fill in the blank for the following rule: If the rational numbers have same signs, ______________ the absolute values and keep the common sign.

• add

• subtract

• multiply

• divide

Tags

CCSS.7.NS.A.1C

What is the value of (-115) + 23?

• -138

• 92

• 138

• -92

Tags

CCSS.7.NS.A.1C

What is the value of the sum of (–2.12) + (-6.84) added to (- 4.19)?

• 4.72

• -8.96

• -0.94

• -13.15

Tags

CCSS.7.NS.A.1C

Solve the expression:

^-2/₃ + -0.25 = _____

• ^-2/₁₂

• ^-11/₁₂

• ^-3/₇

• ¹/₇

Tags

CCSS.7.NS.A.1D

Solve the expression:

-2¹/₃ + 4.6̅ = _____

• 2 ⅓ or 2.3̅

• 7

• 2

• 2 ⁸/₃₀ or 2 ⁴/₁₅

Tags

CCSS.7.NS.A.1C

Solve the expression:

-0.15 + -0.85 + 12.5 = _______

• 13.2

• 13.5

• 11.5

• 11.2

Tags

CCSS.7.NS.A.1D

After completing one level of your new video game your score was -5⅗ points. After winning three levels you increased your score by 9.7 points. What is your score now?

• 15.3 or 15³/₁₀ points

• 4.1 or 4¹/₁₀ points

• 14.13 or 14¹³/₁₀₀ points

• 4.4 or 4²/₅ points

Tags

CCSS.7.NS.A.3

Solve the expression:

-3.42 + 1.679 = _____

• -2.259

• -5.099

• -1.741

• -1.759

Tags

CCSS.7.NS.A.1C

Solve the expression:

0.125 + -3¾ = _____

• 3.635

• -3⅝ or -3.625

• 3⅞ or 3.875

• -3⅞ or -3.875

Tags

CCSS.7.NS.A.1C

Solve the expression:

7.5 + 2¾ = _____

• 10.25 or 10¼

• 3.50 or 3½

• 35

• 9.75 or 9¾

Tags

CCSS.7.NS.A.1C