5th enVision Topic 6 Review

James bought 10 pencils from the school store and paid a total of $1.30. How much did each pencil cost? Write an equation to show your work.

Tags

CCSS.HSA.CED.A.3

Choose the correct quotient for each expression.

• 39.6

• 95.28 ÷ 1.2

• 8.58

• 79.4 ÷ 21

• 21

• 77.86 ÷ 0.85

• 79.4

• 81.51 ÷ 9.5

• 91.54

• 50.4 ÷ 2.4

Tags

CCSS.5.NBT.B.7

What is the value of the missing exponent in the equation?

• 1

• 2

• 3

• 4

Answer explanation

When dividing by a power of 10, you can just move the decimal to the left how ever many times there are zeros.

Tags

CCSS.5.NBT.A.2

A panel in one of the hallways of Emilio's school is rectangular with an area of 44.52 square feet.

If the panel is 21 feet long, how wide is it?

Remember: length x width = area

• 0.212 feet

• 1.12 feet

• 2.12 feet

• 21.2 feet

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

A soccer team spent $216 on 15 new soccer balls. Each ball cost the same.

Find the exact cost of each soccer ball.

Tags

CCSS.5.NBT.B.6

CCSS.6.NS.B.2

Which division equation is true?

• 1.28 ÷ 4 = 0.32

• 1.28 ÷ 4 = 0.23

• 0.92 ÷ 4 = 0.32

Tags

CCSS.5.NBT.B.7

If 8 pounds of peanuts costs $12, how much does 1 pound of peanuts cost?

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Use the equation 3.4 ÷ n = 0.34.

What value of n makes the equation true? Write your answer using an exponent.

To type an exponent, use the ^ key.

Answer explanation

Use the equation 3.4 ÷ n = 0.34.

In other words, 3.4 ÷ _ = 0.34.

How many times did the decimal move to the left? Once! 3.4 ÷ 10 = 0.34 is the correct answer.

Tags

CCSS.5.NBT.A.2

Alexandra is dividing 52.8 ounces of cereal equally into 8 bags.

How many ounces of cereal is in each bag?

Answer explanation

Alexandra is dividing 52.8 ounces of cereal equally into 8 bags.

To solve this problem, you first need to divide 52.8 by 8. See picture.

Ken bought 15 erasers for $4.20. Each eraser cost the same amount.

How much did each eraser cost?

Answer explanation

To solve this problem you will first need to divide $4.20 by 15. This will tell you the cost of each individual eraser.

The reason why you divide is because $4.20 is the total amount for the 15 erasers. Each eraser has a price to equal that amount.

If you need to, you can draw a picture of this to help you solve.

Tags

CCSS.6.NS.B.3