Multiplying Fractions

Multiple Choice

What are the factors of 25?

• 1, 2, 3, 5, 10, 15, 25
• 1, 5,  25
• 1, 25
• 1, 5

Multiple Choice

List all the factors of 12

• 1, 2, 3, 4, 6, 12
• 1, 2, 4, 12
• 1, 12
• 1, 2, 3, 4, 5, 6, 12

Multiple Choice

What are the first 5 multiples of 16?

• 1, 2, 4, 8, 16

• 16, 32, 48, 64, 80

• 16, 22, 38, 44, 50

• 1, 2, 3, 4, 5

Multiple Choice

What does GCF mean?

• Great Cookie Fever

• Greatest Common Factor

• Greatest Common Multiple

• Greatest Compared Factor

Multiple Choice

What is the GCF of 8 and 24?

• 1

• 24

• 8

• 4

Multiple Choice

What is the Greatest Common Factor of 35 and 49

• 5

• 7

• 1

• 17

Multiple Choice

LCM stands for

• Least correct multiple
• Latest common multiple
• Least common multiple
• Laser classroom mouse

Multiple Choice

What is the Least Common Multiple of 5 and 11?

• 45

• 66

• 25

• 55

Multiple Choice

What is the Least Common Multiple of 4 and 14

• 28

• 42

• 56

• 24

Multiple Choice

Which model correctly shows the problem $$\frac{2}{6}\times\frac{1}{5}$$  ?

Multiple Choice

George has 1/3 pan of brownies. He eats 1/4 of them. What fraction did George eat?

• 1/7

• 1/4

• 1/3

• 1/12

Multiplying Fractions

by Kevvin Hankins

Multiplying Fractions by Fractions

Multiple Choice

Which problem does the model represent?

• $$\frac{1}{5}\times\frac{2}{6}$$

• $$\frac{1}{3}\times\frac{2}{5}$$

• $$\frac{2}{5}\times\frac{1}{5}$$

• $$\frac{2}{5}\times\frac{2}{5}$$

Multiplying Fractions with a Model

Multiple Choice

Which product is represented by the model?

• 2/3 of 3/4

• 6/12 of 2/3

• 1/2 of 3/4

• 1/12 of 2/3

Multiple Choice

What problem is represented by the model?

• 1/2 x 3/10

• 3/5 x 9/50

• 3/5 x 3/10

• 2/5 x 3/5

Multiple Choice

Use the model to find the product.

• 35/1

• 2/12

• 1/6

• 1/35

Multiple Choice

Which fraction model shows 2/5 x 2/3?

Multiplying Fractions by Fractions Without Models

• Multiply the numerators.

• Multiply the denominators.

• Simplify if needed.

Multiple Choice

George has 1/3 pan of brownies. He eats 1/4 of them. What fraction did George eat?

• 1/7

• 1/4

• 1/3

• 1/12

Multiple Choice

Mimi is baking cookies for her grandson. The recipe calls for ⅔ cup of chocolate chips and she wants to make half of a batch. 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.

• She will double the amount of chocolate chips.

Multiple Choice

Multiply these fractions: remember to simplify!

• 1/5

• 10/18

• 6/30

• 0

Multiple Choice

Find the product:

• 6/28

• 9/28

• 6/11

• 12/21

Multiple Choice

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

Multiple Choice

Bella has 32 songs on her iphone. Three-eighths of those songs are by Justin Timberlake. How many Justin Timberlake songs does Bella have on her iphone?

• 12 songs

• 15 songs

• 9 songs

• 18 songs

Multiple Choice