Proportions and Percentages

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

What is a percentage?

Back

A percentage is a way of expressing a number as a fraction of 100.

Front

How do you convert a fraction to a percentage?

Back

To convert a fraction to a percentage, divide the numerator by the denominator and multiply by 100.

Front

What is the formula to find the percentage of a number?

Back

Percentage = (Part/Whole) x 100.

Front

If 25% of a number is 50, what is the number?

Back

The number is 200.

Tags

CCSS.6.RP.A.3C

Front

What percent of 50 is 10?

Back

20%.

Front

How do you find the part when given the percentage and the whole?

Back

Part = (Percentage/100) x Whole.

Tags

CCSS.6.RP.A.3C

Front

What is 10% of 200?

Back

20.

Tags

CCSS.6.RP.A.3C

Front

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

Back

The number is 200.

Tags

CCSS.6.RP.A.3C

Front

What is the relationship between fractions and percentages?

Back

Fractions can be converted to percentages by multiplying by 100.