Porportion Practice

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 a proportion?

Back

To solve a proportion, cross-multiply the terms and then solve for the unknown variable.

Tags

CCSS.7.RP.A.2C

Front

What is the cross-multiplication method?

Back

The cross-multiplication method involves multiplying the numerator of one ratio by the denominator of the other ratio.

Tags

CCSS.6.RP.A.3A

Front

If 6 ounces of fruit snacks contain 45 pieces, how many pieces are in 10 ounces?

Back

75 Pieces

Tags

CCSS.6.RP.A.3B

Front

What is the formula to find a missing value in a proportion?

Back

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

Front

If 11/10 = 22/X, what is the value of X?

Back

20

Front

What does it mean if two ratios are equivalent?

Back

It means that they represent the same relationship between quantities.

Tags

CCSS.6.RP.A.3A

Front

If Miranda buys 2 T-shirts for every pair of socks, how many socks does she buy if she has 8 T-shirts?

Back

8 socks

Front

What is the relationship between the quantities in a proportion?

Back

The relationship is that the ratios of the quantities are equal.

Tags

CCSS.7.RP.A.2A

Front

How can you check if two ratios are equivalent?

Back

You can cross-multiply and see if the products are equal.

Tags

CCSS.6.RP.A.3A