Ratios on a Double Number Line

Using TWO number lines to describe equivalent ratios

• double number lines

• coordinate plane

• ratio table

• equation

The diagram represents the ratio of blue shirts to yellow shirts. Chose the double number line that correctly represents the given diagram.

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If you are told that 4:1 and 20:5 are equivalent ratios. What other ratios are equivalent to 4:1 and 20:5, based on the double number line. (Choose all 3 correct answers)

• 8:2

• 12 to 3

• 2 to 8

• 24:6

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!

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

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!

How much flour is needed?

• 6 1/4

• 8 3/4

• 10 1/2

• 11 1/4

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

Refer to the double number line.
If Kim makes 8 loaves of bread, how many cups of raisins did she use?

• 4

• 12

• 16

• 24

How long would it take 12 people to go down the slide?

• 1 min

• 2 min

• 3 min

• undeterminable