5th Grade: Add & Subtract Mixed Numbers

Front

What is a mixed number?

Back

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

Tags

CCSS.3.NF.A.3C

Front

How do you add mixed numbers?

Back

To add mixed numbers, first add the whole numbers, then add the fractions, and if necessary, simplify.

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Front

What is an improper fraction?

Back

An improper fraction is a fraction where the numerator is greater than or equal to the denominator, like 9/4.

Tags

CCSS.3.NF.A.3C

Front

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

Back

Divide the numerator by the denominator. The quotient is the whole number, and the remainder over the denominator is the fraction.

Front

What is the numerator in a fraction?

Back

The numerator is the top number in a fraction that indicates how many parts are being considered.

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

Front

What is the denominator in a fraction?

Back

The denominator is the bottom number in a fraction that indicates how many equal parts the whole is divided into.

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

Front

What is the first step in subtracting mixed numbers?

Back

Convert the mixed numbers to improper fractions if necessary.

Tags

CCSS.7.NS.A.1C

Front

How do you simplify a fraction?

Back

To simplify a fraction, divide the numerator and the denominator by their greatest common factor.

Front

What does it mean to find a common denominator?

Back

Finding a common denominator means finding a number that both denominators can divide into evenly, allowing for addition or subtraction of fractions.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

What is the result of 2 1/4 + 3 2/4?

Back

The result is 5 1/2.

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D