Adding Mixed Numbers with Regrouping

What are the mixed numbers given in the problem?

• 2 and 2/4, 8 and 3/3

• 2 and 1/3, 8 and 2/4

• 2 and 3/4, 8 and 2/3

• 2 and 2/3, 8 and 3/4

Tags

CCSS.3.NF.A.3C

Why is it useful to rewrite the mixed numbers separately?

• To make the numbers smaller

• To simplify the addition

• To identify the fraction and whole number parts clearly

• To change the denominators

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

What is the least common multiple of 3 and 4?

• 6

• 8

• 16

• 12

How do you convert 2 and 2/3 to a fraction with a denominator of 12?

• 2 and 6/12

• 2 and 8/12

• 2 and 4/12

• 2 and 10/12

What is the sum of 8/12 and 9/12?

• 18/12

• 17/12

• 16/12

• 15/12

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

How do you convert 17/12 to a mixed number?

• 1 and 4/12

• 1 and 5/12

• 1 and 6/12

• 1 and 7/12

What is the final sum of the mixed numbers using the first method?

• 10 and 5/12

• 11 and 4/12

• 11 and 5/12

• 12 and 5/12

Tags

CCSS.7.NS.A.1C

How do you convert 2 and 8/12 to an improper fraction?

• 24/12

• 28/12

• 20/12

• 32/12

What is the improper fraction form of 8 and 9/12?

• 96/12

• 105/12

• 104/12

• 103/12

Which method is easier for adding mixed numbers according to the video?

• Using improper fractions

• Using common denominators and adding separately

• Using decimal conversion

• Using subtraction

Tags

CCSS.7.NS.A.1C