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

(a)  

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

(a)  

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

• 0.0306

• 0.36 ÷ 10

• 3.6

• 3,060 ÷ 10⁴

• 0.036

• 360 ÷ 10²

• 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?

(a)