GCF and Simplify Fractions

Front

What is the definition of factors in mathematics?

Back

Factors are numbers that can be multiplied together to get another number. For example, the factors of 12 are 1, 2, 3, 4, 6, and 12.

Tags

CCSS.4.OA.B.4

Front

How do you find all the factors of a number?

Back

To find all the factors of a number, list all integers that divide the number without leaving a remainder.

Tags

CCSS.4.OA.B.4

Front

What is the GCF (Greatest Common Factor)?

Back

The GCF of two or more numbers is the largest number that divides all of them without leaving a remainder.

Front

How do you calculate the GCF of two numbers?

Back

To calculate the GCF, list the factors of each number and identify the largest factor that appears in both lists.

Front

What are the factors of 20?

Back

The factors of 20 are 1, 2, 4, 5, 10, and 20.

Tags

CCSS.4.OA.B.4

Front

What are the factors of 30?

Back

The factors of 30 are 1, 2, 3, 5, 6, 10, 15, and 30.

Tags

CCSS.4.OA.B.4

Front

What is the relationship between GCF and simplifying fractions?

Back

The GCF can be used to simplify fractions by dividing both the numerator and the denominator by their GCF.

Front

How do you simplify the fraction 18/24?

Back

To simplify 18/24, find the GCF of 18 and 24, which is 6. Divide both the numerator and denominator by 6 to get 3/4.

Front

What are the factors of 16?

Back

The factors of 16 are 1, 2, 4, 8, and 16.

Tags

CCSS.4.OA.B.4

Front

What are the factors of 24?

Back

The factors of 24 are 1, 2, 3, 4, 6, 8, 12, and 24.

Tags

CCSS.4.OA.B.4