Modeling Percents Using Double Number Lines and NAR Models

9 of the 10 animals in the cage have already eaten dinner. What percent has eaten dinner?

Last week 20 of the 400 pounds of bananas shipped to the grocery store went bad. What percent went bad?

For every 5 words Mr. Fox says, Mrs. Barr says 45. What percent of the words spoken are by Mrs. Barr?

The ratio of red paint to yellow paint in a mixture is shown in the double number line above. How many teaspoons of yellow paint are in 6 of red paint?

• 10

• 5

• 15

• 7

If you makes 6 loaves of bread, how many cups of raisins did she use?

• 3

• 9

• 12

• 6

What is the ratio represented in this number line for sugar to flour

• Sugar: Flour

  2 : 3

• Sugar: Flour

  3 : 2

• Four : Sugar 8

  3 : 2

• I have no idea!

Find the value of a.

• 0.55

• 0.61

• 0.56

• 0.59

Complete the ratio table

• 10, 35

• 12, 41

• 10, 41

• 10, 45

The ratio of red paint to yellow paint in a mixture is shown in the double number line above. How many teaspoons of yellow paint are in 4 batches?

• 20

• 4

• 12

• 15

Which numbers come next on the double number line?

• Sugar: 12

  Flour: 8

• Sugar: 12

  Flour: 18

• Sugar: 8

  Flour: 12

• I have no idea!