Multiplying Fractions: Key Concepts and Techniques

What is the product of 4/5 and 2/3?

• 12/15

• 10/15

• 8/15

• 6/15

Tags

CCSS.5.NF.B.6

When multiplying fractions, is it necessary to find a common denominator?

• Only if the denominators are prime

• Only if the denominators are the same

• No

• Yes

Tags

CCSS.5.NF.B.6

What is the simplified form of 18/135?

• 6/15

• 3/15

• 1/15

• 2/15

Which number is a common divisor of both 18 and 135?

• 5

• 3

• 7

• 9

What is the result of simplifying 6/45?

• 2/15

• 1/15

• 3/15

• 1/7

What does cross canceling involve?

• Simplifying across numerators and denominators before multiplying

• Adding fractions before multiplying

• Multiplying across numerators

• Subtracting denominators

Tags

CCSS.5.NF.B.6

What is the final simplified product of 3/9 times 6/15 using cross canceling?

• 2/15

• 1/5

• 3/15

• 1/15

Tags

CCSS.5.NF.B.6

Which method can simplify the multiplication process of fractions?

• Cross addition

• Cross subtraction

• Cross canceling

• Cross multiplication

Tags

CCSS.5.NF.B.6

Is the result the same whether you simplify before or after multiplying the fractions?

• Yes, but only for simple fractions

• No, only when the fractions are complex

• No, never

• Yes, always

Tags

CCSS.7.NS.A.2A

What is the final lesson about multiplying fractions?

• Multiplying fractions is unnecessary

• Simplifying can be done before or after multiplying

• Never simplify

• Always simplify first

Tags

CCSS.5.NF.B.6