Fractions-Decimals-Percents Flashcard

Front

What is a fraction?

Back

A fraction represents a part of a whole and is expressed as a ratio of two numbers, the numerator (top number) and the denominator (bottom number). For example, 1/2 means one part out of two equal parts.

Front

How do you convert a fraction to a decimal?

Back

To convert a fraction to a decimal, divide the numerator by the denominator. For example, to convert 1/4 to a decimal, calculate 1 ÷ 4 = 0.25.

Front

What is a percent?

Back

A percent is a way of expressing a number as a fraction of 100. It is denoted by the symbol '%'. For example, 50% means 50 out of 100.

Front

How do you convert a decimal to a percent?

Back

To convert a decimal to a percent, multiply the decimal by 100 and add the percent symbol. For example, 0.75 × 100 = 75%.

Front

How do you convert a percent to a decimal?

Back

To convert a percent to a decimal, divide the percent by 100. For example, 25% = 25 ÷ 100 = 0.25.

Front

What is the relationship between fractions, decimals, and percents?

Back

Fractions, decimals, and percents are different ways to represent the same value. For example, 1/2 = 0.5 = 50%.

Front

How do you find the percent of a number?

Back

To find the percent of a number, multiply the number by the percent (as a decimal). For example, to find 20% of 50, calculate 50 × 0.20 = 10.

Front

What is the formula to calculate the percentage of a part compared to a whole?

Back

The formula is: (Part/Whole) × 100 = Percentage. For example, if 32 out of 40 kittens were adopted, the percentage adopted is (32/40) × 100 = 80%.

Front

How do you find the total when given a part and its percentage?

Back

To find the total, divide the part by the percentage (as a decimal). For example, if 20 is 25% of a total, the total is 20 ÷ 0.25 = 80.

Front

What is a mixed number?

Back

A mixed number is a whole number combined with a fraction. For example, 1 1/2 is a mixed number, which means one whole and one half.