Subtracting fractions from whole numbers.

Front

What is a fraction?

Back

A fraction represents a part of a whole and consists of a numerator (top number) and a denominator (bottom number).

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

Front

What does it mean to subtract a fraction from a whole number?

Back

It means to take away a part (the fraction) from the whole number, resulting in a new value that may also be expressed as a mixed number.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

How do you convert a whole number to a fraction?

Back

You can convert a whole number to a fraction by placing it over 1. For example, 2 becomes 2/1.

Tags

CCSS.3.NF.A.3C

Front

What is a mixed number?

Back

A mixed number is a whole number combined with a fraction, such as 1 1/2.

Tags

CCSS.3.NF.A.3C

Front

How do you subtract a fraction from a whole number?

Back

Convert the whole number to a fraction with the same denominator as the fraction being subtracted, then subtract the numerators.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

What is the first step in subtracting fractions?

Back

Ensure both fractions have a common denominator.

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Front

Find the difference: 2 - 4/8

Back

1 4/8.

Tags

CCSS.7.NS.A.1C

Front

Find the difference: 13 - 4/7

Back

12 3/7.

Tags

CCSS.7.NS.A.1C

Front

Find the difference: 4 - 7/12

Back

3 5/12.

Tags

CCSS.7.NS.A.1C

Front

Find the difference: 12 - 14/20

Back

11 6/20.

Tags

CCSS.7.NS.A.1C