Review for: Fractions, Decimals and Percentages

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

What is a decimal?

Back

A decimal is a way of expressing numbers that are not whole numbers, using a point to separate the whole part from the fractional part. For example, 0.75 represents 75 hundredths.

Front

What is a percentage?

Back

A percentage is a way of expressing a number as a fraction of 100. It is denoted by the symbol '%'. For example, 25% means 25 out 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 then multiply the result by 100. For example, 1/5 = (1 ÷ 5) × 100 = 20%.

Front

How do you convert a percentage to a fraction?

Back

To convert a percentage to a fraction, write the percentage over 100 and simplify if possible. For example, 33% = 33/100.

Front

How do you convert a decimal to a percentage?

Back

To convert a decimal to a percentage, multiply the decimal by 100. For example, 0.08 = 0.08 × 100 = 8%.

Front

How do you convert a percentage to a decimal?

Back

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

Front

What is the decimal equivalent of 1/4?

Back

The decimal equivalent of 1/4 is 0.25.

Front

What is the decimal equivalent of 1/2?

Back

The decimal equivalent of 1/2 is 0.5.

Front

What is the decimal equivalent of 3/10?

Back

The decimal equivalent of 3/10 is 0.3.