Proportions Review

Which ratio is proportional to the ratio  1/5?

• 2/5
• 2/10
• 5/1
• 15/20

Are the two ratios proportional?

• YES
• NO

Tags

CCSS.7.RP.A.2

CCSS.7.RP.A.3

A __________ is a comparison of two quantities.

• transformation
• scale
• ratio
• graph

Tags

CCSS.7.RP.A.1

CCSS.7.RP.A.2

The two right triangles below are similar. What is x, the missing side length in triangle DEF? 

• 3.75
• 9.75
• 10
• 12

Tags

CCSS.7.G.A.1

CCSS.7.RP.A.2

CCSS.7.RP.A.3

To find the height of a very tall pine tree, you measure your shadow and the tree's shadow.  How tall is the tree?

• 144 feet
• 72 feet
• 36 feet

Tags

CCSS.HSG.SRT.B.5

Gwen scans a photo that is 4 in. wide by 6 in. tall into her computer. If she scales the height down to 3 in., how wide should the similar photo be?

• 3 in
• 2 in.
• 4 in
• 1 in

On a map, if one centimeter represents 25 kilometers, how many kilometers does 7 centimeters represent?

• 175
• 185
• 200
• 220

Tags

CCSS.7.RP.A.1

CCSS.7.RP.A.2

CCSS.7.RP.A.3

A cake recipe calls for 1.5 cups of milk and 3 cups of flour. Seth made a mistake and used 5 cups of flour. How many cups of milk should he use to keep the proportions correct?

• 2.5 cups milk
• 1.75 cups milk
• 2 cups flour
• 2.25 cups milk

Tags

CCSS.7.RP.A.2

CCSS.7.RP.A.3

The ratio of the side length of Square A to the side length of Square B is 4:9.  The side length of square A is 12 yards.  What is the perimeter of square B?

• 18 yd
• 108 yd
• 27 yd

Is the graph proportional or non-proportional?

• Proportional
• Non-Proportional

Tags

CCSS.7.RP.A.2D