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.

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CCSS.3.NF.A.2B

CCSS.3.NF.A.1

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.

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CCSS.3.NF.A.2B

CCSS.3.NF.A.1

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.

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CCSS.3.NF.A.2A

CCSS.3.NF.A.1

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.

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CCSS.3.NF.A.3C

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.

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CCSS.4.OA.B.4

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.

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CCSS.4.OA.B.4

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.

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CCSS.4.OA.B.4

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.

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CCSS.4.NF.A.2

Front

What is an equivalent fraction?

Back

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

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CCSS.4.NF.A.1

CCSS.3.NF.A.3A

CCSS.3.NF.A.3B