SOL Review Math 7 Proportions

Front

What is a proportion?

Back

A proportion is an equation that states that two ratios are equal.

Tags

CCSS.7.RP.A.2A

Front

How do you solve for a missing value in a ratio table?

Back

To solve for a missing value, set up a proportion using the known values and cross-multiply to find the unknown.

Front

If 3 pounds of hamburger meat cost $6, how much does 1 pound cost?

Back

$2 per pound.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

What is the formula for finding a missing value in a proportion?

Back

If a/b = c/d, then ad = bc.

Tags

CCSS.7.G.A.1

Front

In a ratio of 5 to 3, if there are 25 dogs, how many cats are there?

Back

15 cats.

Front

What is the scale of a map?

Back

The scale of a map shows the relationship between distances on the map and actual distances.

Tags

CCSS.7.RP.A.2C

Front

If a recipe calls for 1.5 cups of milk for every 3 cups of flour, how much milk is needed for 5 cups of flour?

Back

2.5 cups of milk.

Tags

CCSS.6.RP.A.3B

Front

What does it mean to keep proportions correct in a recipe?

Back

It means to maintain the same ratio of ingredients to ensure the recipe turns out as intended.

Tags

CCSS.7.RP.A.2A

Front

How do you convert a scale measurement to actual distance?

Back

Multiply the measurement on the map by the scale factor.

Tags

CCSS.7.RP.A.2C

Front

If 24 cm on a map represents a distance of 192 km, what is the scale?

Back

1 cm = 8 km.

Tags

CCSS.7.RP.A.2C