Mixed Numbers and Fractions Techniques

This video tutorial from Mumo Math explains how to add three or more mixed numbers using two techniques. The first technique involves separating whole numbers and fractions, while the second technique converts mixed numbers into improper fractions. The video also covers how to handle different denominators by finding the lowest common denominator. Examples are provided to illustrate each method, and the video concludes with a summary of the techniques discussed.

What is a mixed number?

• A number with only fractions

• A number with only whole numbers

• A number with an integer and an improper fraction

• A number with an integer and a proper fraction

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

In the first technique, what do you do with the whole numbers and fractions?

• Add them together immediately

• Multiply them

• Convert them to improper fractions

• Separate them into different sides

Why do you start with the fraction side in the first technique?

• Because it's easier

• To avoid improper fractions

• To convert them to whole numbers

• To simplify the process

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

What is the result of adding 1/4, 2/4, and 1/4 in the first technique?

• 1

• 1/2

• 3/4

• 2

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

In the second technique, what is the first step?

• Add the whole numbers

• Convert mixed numbers to improper fractions

• Find the lowest common denominator

• Separate whole numbers and fractions

What is the improper fraction of 1 and 1/4?

• 1/4

• 9/4

• 4/5

• 5/4

What is the lowest common denominator for 4, 6, and 2?

• 4

• 12

• 8

• 6

How do you reduce 9/12?

• Add 3

• Divide by 2

• Divide by 3

• Multiply by 4

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CCSS.RL.4.3

CCSS.RL.5.3

CCSS.RL.6.3

CCSS.RL.7.3

CCSS.RL.8.3

Which technique is considered easier by the narrator?

• Neither is easy

• Both are equally easy

• First technique

• Second technique

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CCSS.7.NS.A.1C

What is the final result of adding the mixed numbers in the example with different denominators?

• 4 and 1/2

• 6 and 1/4

• 5 and 3/4

• 5 and 1/2

Tags

CCSS.7.NS.A.1C