Adding & Subtracting Rational Numbers

-5.7 + 0.9

• 2.1
• -4.8
• -8.3
• -10.7

-8.76 - (-5.65)

• 3.11

• -3.11

• 14.41

• -14.41

7.19 + (-5.34)

• 12.53
• -12.53
• 1.85
• -1.85

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

⁸/₁₅  +  (-⁶/₁₅)

• 14/15
• -2/15
• 2/15
• -14/15

solve 

• - 2/9
• - 5/9 
• 2/9
• no there

- ⁷/₈ - ¹/₂

• - ¹¹/₇
• - ⁸/₁₁
• -1 ³/₈
• -1 ¹/₈

solve

• 1  1/2
• - 1 5/9
• 1  5/9
• not here

Shana bought a hamburger for $4.25, two hot dogs for $2.50 each, a large order of fries for $2.95, and one medium soda for $2.15. If Shana paid with a $20.00 bill, how much change did she receive?

• $5.65

• $8.15

• $11.85

• $14.35

Bob lost 5 bonus points on page one of his math test and he gained 9 points bonus on page two of his math test. Which equation best describes Bob progress on his math test?

• 5 + 9 = 14

• -5 + 9 = 4

• -5 + (-9) = -14

• 5 + (-9) = -4