Mastering Mixed Numbers: Addition and Subtraction Techniques

What is the first step in adding mixed fractions?

• Add the whole numbers

• Convert mixed numbers to improper fractions

• Find the least common denominator

• Simplify the fractions

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

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

• Multiply the numerator by the whole number

• Add the numerator to the denominator

• Multiply the whole number by the denominator and add the numerator

• Divide the numerator by the denominator

What is the least common denominator of 10 and 5?

• 5

• 15

• 20

• 10

What is 99/10 + 26/10?

• 125/10

• 125/15

• 125/20

• 125/5

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

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

• Subtract the denominator from the numerator

• Multiply the numerator by the denominator

• Divide the numerator by the denominator and use the quotient as the whole number

• Add the numerator and the denominator

What is the simplified form of 5/10?

• 5/1

• 5/2

• 1/2

• 1/5

What is the alternative method for adding mixed fractions?

• Subtract the fractions first

• Find the least common multiple

• Line up whole numbers and fractions separately

• Convert to improper fractions and add

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

How do you convert 9 1/2 to an improper fraction?

• 17/2

• 20/2

• 18/2

• 19/2

What is the least common denominator of 2 and 5?

• 2

• 15

• 10

• 5

What is the result of 95/10 - 18/10?

• 77/5

• 77/20

• 77/15

• 77/10

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D