Topic 6 Corrections

Shirley bought 20.8 pounds of bird seed at a bargain store. She wants to fill her feeder 100 times with an equal amount. How much seed should she put in the feeder each time?

• 20.8 ÷ 100

• 20.8 + 100

• 20.8 × 100

• 100 ÷ 20.8

When solving 20.8 ÷ 100, how is the decimal point moved?

• 3 places to the right

• 3 places to the left

• 2 places to the right

• 2 places to the left

Solve: 20.8 ÷ 100

Staci pays $32.70 for 5 cell phone cases. Each case costs the same amount. How much does each case cost? Which expression represents the problem?

• $32.70 × 5

• $32.70 ÷ 5

• $32.70 + 5

• $32.70 – 5

Solve: 32.70 ÷ 5

What is the value of the missing exponent in the equation 7.4 ÷ 10^◻ = 0.074?

• 1

• 2

• 3

• 4

Brett's music teacher spent $134.30 on 17 song books. What is the cost per book?

• $7.90

• $7.30

• $17.30

• $17.90

What quotient does the model Nestor made represent?

• 3.21 ÷ 3 = 1.07

• 1.47 ÷ 7 = 0.27

• 0.21 ÷ 7 = 0.03

• 0.81 ÷ 3 = 0.27

Match the following

• 3.6

• 0.36 ÷ 10

• 0.0306

• 360 ÷ 10²

• 0.036

• 3,060 ÷ 10⁴

• 0.306

• 30.6 ÷ 10³

Lauren builds a sandbox shaped like an octagon. Each side of the sandbox is the same length. The perimeter of the sandbox is 18.8 feet. How long is each side of the sandbox?