Multiplying Fractions

Mr. R wrote four statements on the board. Which one of them is true?

• ⅚ x ⅜ is equal to ⅜.
• 4 x ⅘ is greater than 4.
• ⅔ x 5 is less than 5.
•  ½ x ¾ is greater than ¾.

Tags

CCSS.5.NF.B.5A

Tim has 32 songs on his ipod. Three-eighths of those songs are by Bob Marley.  How many Bob Marley songs does Tim have on his ipod?

• 12 songs
• 15 songs
• 9 songs
• 18 songs

Tags

CCSS.4.NF.B.4B

CCSS.4.NF.B.4C

Grandma is baking cookies for her grandson. The recipe calls for ⅔ cup of chocolate chips and she wants to make 3 batches. Which of the following statements is true?

• She will use ⅔ cup of chocolate chips.
• She will use more than ⅔ cup of chocolate chips.
• She will use less than ⅔ cup of chocolate chips.

Tags

CCSS.5.NF.B.5B

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

Gordon went to the deli and bought 1⅗ pound of roast beef and ¾ as much as colby jack cheese. Is the amount of cheese equal to, greater than or less than the amount of roast beef?

• equal to
• greater than
• less than

Tags

CCSS.5.NF.B.5A

Nancy went apple picking. She picked 48 apples. Of the apples she picked, ⅝ of them were gala apples. How many of the apples were gala apples?

• 24 apples
• 30 apples
• 21 apples
• 27 apples

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

7 x 1⅖ will be __________________ 7.

• greater than
• less than 
• equal to

Tags

CCSS.5.NF.B.5B

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