Unit 5 Review

Front

What is a fraction?

Back

A fraction represents a part of a whole. It consists of a numerator (top number) and a denominator (bottom number). For example, 1/2 means one part out of two equal parts.

Front

What is the difference between a numerator and a denominator?

Back

The numerator is the top part of a fraction that indicates how many parts are being considered, while the denominator is the bottom part that shows how many equal parts the whole is divided into.

Front

How do you add fractions with the same denominator?

Back

To add fractions with the same denominator, keep the denominator the same and add the numerators. For example, 1/4 + 2/4 = (1+2)/4 = 3/4.

Front

What is a mixed number?

Back

A mixed number is a whole number combined with a fraction. For example, 2 1/3 is a mixed number, which means 2 whole parts and 1/3 of another part.

Front

How do you convert an improper fraction to a mixed number?

Back

To convert an improper fraction to a mixed number, divide the numerator by the denominator. The quotient becomes the whole number, and the remainder becomes the new numerator over the original denominator.

Front

What is the least common multiple (LCM)?

Back

The least common multiple (LCM) of two or more numbers is the smallest multiple that is exactly divisible by each of the numbers. For example, the LCM of 4 and 5 is 20.

Front

What is a decimal?

Back

A decimal is a way of representing fractions using a point (decimal point). For example, 0.5 is the decimal representation of the fraction 1/2.

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, 1/4 = 0.25.

Front

What is a percentage?

Back

A percentage is a way of expressing a number as a fraction of 100. For example, 50% means 50 out of 100.

Front

How do you convert a decimal to a percentage?

Back

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