Subtracting fractions from whole numbers.

Front

What is a fraction?

Back

A fraction represents a part of a whole and is written as 'a/b', where 'a' is the numerator (part) and 'b' is the denominator (whole).

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

Subtracting a fraction from a whole number means finding the difference between the whole number and the fraction, which can result in a whole number or 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

To convert a whole number to a fraction, write it as the whole number over 1 (e.g., 3 = 3/1).

Tags

CCSS.3.NF.A.3C

Front

What is the first step in subtracting a fraction from a whole number?

Back

The first step is to convert the whole number into a fraction with the same denominator as the fraction being subtracted.

Tags

CCSS.5.NF.A.2

CCSS.5.NF.A.1

Front

Example: Subtract 1 - 3/4. What is the first step?

Back

Convert 1 to a fraction: 1 = 4/4.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

What is the result of 4/4 - 3/4?

Back

The result is 1/4.

Tags

CCSS.4.NF.B.3D

CCSS.4.NF.B.3C

Front

How do you find a common denominator when subtracting fractions?

Back

To find a common denominator, identify the least common multiple (LCM) of the denominators.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

Example: Find the difference. 19 - 4/6. What is the first step?

Back

Convert 19 to a fraction: 19 = 19/1, then find a common denominator with 6.

Tags

CCSS.7.NS.A.1C

Front

What is the result of 19 - 4/6?

Back

The result is 18 2/6.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

What is a mixed number?

Back

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

Tags

CCSS.3.NF.A.3C