Adding Mixed Numbers with Regrouping Techniques

In this video, Mr. J explains how to add mixed numbers with regrouping. He demonstrates the process through two examples, showing how to find a common denominator, add fractions, and convert improper fractions to mixed numbers. The video emphasizes the importance of simplifying fractions and combining whole numbers for the final answer.

Why is regrouping necessary when adding mixed numbers?

• To convert improper fractions to mixed numbers

• To change the denominators

• To add whole numbers separately

• To make the numbers smaller

Tags

CCSS.7.NS.A.1C

What is the first step in adding six and three-fourths with two and a half?

• Add the whole numbers

• Convert to improper fractions

• Find a common denominator

• Subtract the fractions

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

What is the common denominator for the fractions three-fourths and one-half?

• 6

• 4

• 8

• 2

How do you convert five-fourths to a mixed number?

• Add 4 to 5 to get 9

• Subtract 4 from 5 to get 1

• Multiply 5 by 4 to get 20

• Divide 5 by 4 to get 1 with a remainder of 1

What is the simplified form of one-fourth?

• Two-fourths

• One-fourth

• Three-fourths

• One-half

What is the least common denominator for five and three?

• 15

• 10

• 5

• 20

How do you convert twenty-two fifteenths to a mixed number?

• Divide 22 by 15 to get 1 with a remainder of 7

• Subtract 15 from 22 to get 7

• Multiply 22 by 15 to get 330

• Add 15 to 22 to get 37

What is the final answer when adding seven and four-fifths with four and two-thirds?

• 13 and 5/15

• 10 and 9/15

• 11 and 22/15

• 12 and 7/15

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

What should you always check after simplifying a fraction?

• If the fraction is a whole number

• If the fraction has a common denominator

• If the fraction is in simplest form

• If the fraction is improper

What is the common factor between 7 and 15?

• 1

• 3

• 5

• 7

Tags

CCSS.4.OA.B.4