Mastering Mixed Numbers: Multiplication and Division

When multiplying fractions, do you need a common denominator?

• Only if the fractions are improper

• Yes, always

• Only sometimes

• No, never

Tags

CCSS.5.NF.B.6

What is the result of multiplying 4/7 by 2/3?

• 6/21

• 8/21

• 8/20

• 6/20

Tags

CCSS.5.NF.B.6

What is the purpose of cross-canceling when multiplying fractions?

• To add the fractions

• To find a common denominator

• To simplify the fractions before multiplying

• To convert fractions to mixed numbers

Tags

CCSS.5.NF.B.6

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

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

• Add the whole number to the numerator

• Subtract the numerator from the whole number

• Multiply the numerator by the denominator

What is 2 1/2 times 3 1/3 in simplest form?

• 8 3/6

• 8 1/3

• 8 2/6

• 50/6

Tags

CCSS.5.NF.B.6

What is the reciprocal of 1/4?

• 4/1

• 1/4

• 1/2

• 4/2

When dividing fractions, what is the first step?

• Flip the second fraction and multiply

• Convert to mixed numbers

• Multiply the fractions

• Find a common denominator

Tags

CCSS.6.NS.A.1

What is 2/3 divided by 1/4?

• 2/12

• 3/8

• 8/3

• 4/3

Tags

CCSS.6.NS.A.1

How do you handle mixed numbers when dividing?

• Subtract the fractions first

• Add the fractions first

• Find a common denominator

• Convert them to improper fractions

What is 2 1/2 divided by 1 3/4 in simplest form?

• 1 3/7

• 1 6/14

• 1 2/7

• 2 3/7

Tags

CCSS.6.NS.A.1