Scale and Ratios

Which of the following are scaled copies of the original image? Select ALL that apply

• A

• B

• C

• D

What is the scale factor from ΔDEF (bigger) to ΔABC (smaller)?

• 2

Determine whether the ratios are equivalent.

• yes

• no

• maybe

Kevin is mixing paint to make orange. The ratio of red paint to yellow paint is 3 oz to 5 oz. How much yellow paint should he mix with 9 oz of red paint?

• 15 oz

• 30 oz

• 45 oz

• 11 oz

A model giraffe has a scale of 1 in : 3 ft. If the model giraffe is 5 in tall, then how tall is the real giraffe?

• 15 ft 

• 1 ft

• 2 ft 

• 8 ft 

Tags

TEKS.MATH.6.5A

You are doubling a cookie recipe. The original uses 3/4 cup sugar. How much sugar is needed?

• 1 cup

• 1 1/2 cup

• 1 1/3 cup

• 2 cups

To make equivalent ratios larger in size, or amount by multiplying.

• scaling up

• scaling down

You are doubling a cookie recipe. The original uses 3/4 cup sugar. How much sugar is needed?

• 1 cup

• 1 1/2 cup

• 1 1/3 cup

• 2 cups

• 10 miles

• 5 miles

• 6 miles

• 8 miles

What is the scale of a drawing where a 6 meter wall is 4 centimeters long?

• 1 cm = .66 m

• 1 cm = 1.5 m

• 1 cm = 3 m

• 1 cm = 4 m