Multiply Fractions

There are 28 students in a math class. ⁴⁄₇ of the students were boys. How many boys were in the math class?

• 16 boys
• 12 girls
• 14 girls
• 12 boys

Tags

CCSS.4.NF.B.4B

CCSS.4.NF.B.4C

Hank brought home ⅞ pounds of raspberries and blueberries from the farmer's market. The weight of the raspberries is ⅚ of the total weight. What is the weight of the raspberries?

• ³⁵⁄₄₈ pounds
• ¹²⁄₁₄ pounds
• ⁴⁰⁄₄₈ pounds
• ³⁰⁄₄₈ pounds

Tags

CCSS.5.NF.B.6

⅖ of the students in math class are boys. ⅓ of the boys have brown hair. What fraction of all students are boys with brown hair?

• ²⁄₁₅ of all students
• ⅔ of all students
• ³⁄₈ of all students
• ³⁄₁₅ of all students

Tags

CCSS.5.NF.B.6

A marching band is rehearsing in rectangular formation. ⅖ of the band members play woodwind instruments. ¼ of those members play the clarinet. What fraction of all the band members play the clarinet?

• ⅓ of the band members
• ¹⁄₁₀ of the band members
• ³⁄₂₀ of the band members
• ⅕ of the band members

Tags

CCSS.5.NF.B.6

DJ drew 18 pictures. He drew ⅔ of them in art class. How many pictures did he draw in art class?

• 12 pictures
• 15 pictures
• 6 pictures
• 9 pictures

Tags

CCSS.4.NF.B.4B

CCSS.4.NF.B.4C

Dr. Doofenshmirtz has ¾ liter of solution and uses ⅙ of it for an experiment.  How much solution did he use?

• ⅙ liter
• ⅛ liter
• ⅕ liter
• ¼ liter

Tags

CCSS.5.NF.B.6

Find the product.  Then, simplify.

• 2/24
• 3/24
• 1/12
• 3/16

Tags

CCSS.5.NF.B.6

Find the product.  Then, simplify.

• 10/18
• 5/9
• 10/6
• 15/12

Tags

CCSS.5.NF.B.6

I am making a  1½  batches of cookies.  One batch needs 1¾ cups of sugar.  How much sugar do I need?

• 1⅜
• 3  4/6
• 2 ⅝

Tags

CCSS.5.NF.B.6

How do you multiply a fraction by a fraction?

• add straight across
• criss cross and multiply
• multiply straight across
• guess and hope you are right.

Tags

CCSS.5.NF.B.6