Proportions and Percents

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 formula to find a percent?

Back

Percent = (Part/Whole) x 100.

Front

What is 25% of 200?

Back

50

Tags

CCSS.6.RP.A.3C

Front

If 30 is 60% of a number, what is the number?

Back

50

Tags

CCSS.6.RP.A.3C

Front

What does it mean to convert a decimal to a percent?

Back

To convert a decimal to a percent, multiply the decimal by 100 and add a percent sign.

Front

Convert 0.75 to a percent.

Back

75%.

Front

What is the percent increase if a price goes from $50 to $75?

Back

50% increase.

Tags

CCSS.6.RP.A.3C

Front

What is 10% of 150?

Back

15

Tags

CCSS.6.RP.A.3C

Front

If a shirt costs $40 and is on sale for 25% off, what is the sale price?

Back

$30.

Tags

CCSS.6.RP.A.3C