Multiplying Fractions, Whole Numbers, and Mixed Numbers

Front

What is the process for multiplying two fractions?

Back

Multiply the numerators together to get the new numerator, and multiply the denominators together to get the new denominator.

Tags

CCSS.5.NF.B.6

Front

How can you convert a whole number into a fraction?

Back

You can convert a whole number into a fraction by placing it over 1 (e.g., 5 becomes 5/1).

Tags

CCSS.3.NF.A.3C

Front

What is a mixed number?

Back

A mixed number is a whole number combined with a proper fraction (e.g., 2 1/2).

Tags

CCSS.3.NF.A.3C

Front

How do you multiply a mixed number by a fraction?

Back

Convert the mixed number to an improper fraction, then multiply straight across.

Tags

CCSS.5.NF.B.6

Front

What is an improper fraction?

Back

An improper fraction is a fraction where the numerator is greater than or equal to the denominator (e.g., 9/4).

Tags

CCSS.3.NF.A.3C

Front

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

Back

Multiply the whole number by the denominator, add the numerator, and place that over the original denominator (e.g., 2 1/2 = (2*2 + 1)/2 = 5/2).

Front

What is the first step in multiplying a whole number by a fraction?

Back

Convert the whole number to a fraction by placing it over 1.

Tags

CCSS.4.NF.B.4B

CCSS.4.NF.B.4C

Front

How do you simplify a fraction after multiplying?

Back

Divide the numerator and denominator by their greatest common factor (GCF).

Tags

CCSS.5.NF.B.6

Front

What is the greatest common factor (GCF)?

Back

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

Front

What is the result of multiplying a fraction by 1?

Back

The result is the original fraction (e.g., 3/4 * 1 = 3/4).

Tags

CCSS.5.NF.B.5B