Operations with Rational Numbers

What is the sum?
 $\frac{4}{5}+\frac{1}{5}$  

•  ^{$\frac{5}{10}$} 

•  ^{$\frac{1}{2}$} 

• 1

•  _{$\frac{4}{5}$} 

Tags

CCSS.4.NF.B.3A

What is the difference?

⁹/₁₄ - ³/₇

• ³/₁₄

• ⁶/₇

• ³/21

• ⁶/₁₄

-65 + (-23) =

• - 88
• - 42
• + 88
• + 42

Tags

CCSS.7.NS.A.1C

(-25) ÷ (-5)

• 5
• -5
• -20
• -30

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

It rained 0.72 inches on Monday. On Tuesday, it rained 0.34 inches less than on Monday. How much did it rain on Tuesday?

• .38
• .37
• .39
• 1.08

Tags

CCSS.6.EE.A.2

CCSS.6.EE.B.6

CCSS.6.EE.B.7

CCSS.6.NS.B.3

Riley has started a babysitting business. She charges $3.85 per hour. If she works 8 hours a week, how many dollars does she earn for the week?

• $30.80
• $3.08
• $308.80
• $40.80

Tags

CCSS.6.NS.B.3

Solve:
Olivia set aside 5/6 of an hour for homework after school each day. How many hours of homework does she do in 5 days?

• 3 1/2 hours
• 4 1/2 hours
• 4 1/6 hours
• 50 minutes

Tags

CCSS.4.NF.B.4B

CCSS.4.NF.B.4C