Rational Numbers Unit Review

Ana buys 4 items that each cost $2.50 and 2 items that each cost $1.75. How much does Ana spend in total?

• $4.25

• $11.75

• $13.50

• $17.00

Tags

CCSS.5.NBT.B.7

A recipe that makes 2 servings calls for 1/3 cup of flower. How much flour is required to make 20 servings? Remember to simplify.

• 3 cups

• 3 1/3 cups

• 6 2/3 cups

• 10 cups

Tags

CCSS.5.NF.B.4

CCSS.5.NF.B.5

CCSS.5.NF.B.6

Which product is negative?

• (-0.24)(-0.95)(0.43)

• (0.3)(-0.32)(-0.25)

• (0.3)(0.35)(0.82)

• (-0.45)(-0.75)(-.25)

Tags

CCSS.5.NBT.A.3

CCSS.5.NBT.B.7

Which product is positive?

• (- 1/3)(- 2/3)(1/4)(1/9)

• (- 2/5)(7/8)(- 9/10)(- 1/6)

• (2/5)(8/9)(1/3)(- 2/7)

• (- 2/5)(- 8/9)(3/4)(- 9/10)

Tags

CCSS.5.NF.B.4

CCSS.5.NF.B.5

CCSS.5.NF.B.6

Alex baked 4 loaves of banana bread. Each loaf needed 15/4 cups of flour. Which expression shows the best estimate of the number of cups of flour that Alex used?

• 4 + 4 + 4 + 4 = 16

• 2 + 2 + 2 + 2 = 8

• 15 + 15 + 15 + 15 = 60

• 5 + 5 + 5 + 5 = 20

Tags

CCSS.5.NF.A.2

What is the best estimate of the sum of the fractions?

 $\frac{16}{3}\ +\ \frac{21}{4}\ +\ \frac{7}{15}$  

• 11

•  $9\frac{1}{2}$  

• 9

•  $10\frac{1}{2}$  

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

What rule about the sign of the quotient of positive and negative decimals is correct?

•  $\frac{positive}{positive}\ =\ negative\$  

•  $\frac{negative}{negative}\ =\ positive$  

•  $\frac{positive\ }{negative}\ =\ positive$  

•  $\frac{negative}{positive}\ =\ positive\$  

Tags

CCSS.5.NBT.B.7

What is the first step when applying properties of operations to divide 73.85 by 4.1?

• Multiply the divisor and dividend by 10.

• Multiply the divisor and dividend by 100.

• Divide the divisor and dividend by 10.

• Divide the divisor and dividend by 100.

Tags

CCSS.5.NBT.A.2

CCSS.5.NBT.B.7

Which correctly applies the distributive property to show and equivalent expression to (3.5)(-4.5)

• (3)(4) - (0.5)(0.5)

• (3(-4) - (0.5)(-0.5)

• (3.5)(4) - (3.5)(0.5)

• (3.5)(-4) + (3.5)(-0.5)

Tags

CCSS.5.NBT.B.7

CCSS.5.OA.A.2

The weights of five grapefruits are 7.47 ounces, 7.23 ounces, 6.46 ounces, 7.48 ounces, and 6.81 ounces. Using the clustering estimation technique, what is the approximate total weight of the grapefruits?

• 34 ounces

• 35 ounces

• 35.45 ounces

• 35.5 ounces

Tags

CCSS.5.NBT.B.7