Fractions Review 4th Grade

Front

What is a numerator?

Back

The numerator is the top number in a fraction that represents how many parts of the whole are being considered.

Front

What is a denominator?

Back

The denominator is the bottom number in a fraction that indicates the total number of equal parts in the whole.

Front

What is a unit fraction?

Back

A unit fraction is a fraction where the numerator is 1 and the denominator is a positive integer, such as 1/2 or 1/3.

Front

What is an improper fraction?

Back

An improper fraction is a fraction where the numerator is greater than or equal to the denominator, such as 5/4 or 3/3.

Front

What are prime numbers?

Back

Prime numbers are numbers greater than 1 that have no positive divisors other than 1 and themselves, like 2, 3, 5, and 7.

Front

What are composite numbers?

Back

Composite numbers are numbers greater than 1 that have more than two positive divisors, such as 4, 6, 8, and 9.

Front

What are factors?

Back

Factors are numbers that can be multiplied together to get another number. For example, the factors of 6 are 1, 2, 3, and 6.

Front

What are common multiples?

Back

Common multiples are numbers that are multiples of two or more numbers. For example, the common multiples of 2 and 3 are 6, 12, 18, etc.

Front

How do you compare fractions?

Back

To compare fractions, you can find a common denominator or convert them to decimals.

Front

What is an equivalent fraction?

Back

Equivalent fractions are different fractions that represent the same value, such as 1/2 and 2/4.