Multiply Fractions

1

Use a model to solve.

1/3 × 15

5.3.I

1

Use a model to solve.

3/4 × 20

5.3.I

1

Use a model to solve.

3/5 × 35

5.3.I

1

Use a model to solve.

7/8 × 24

5.3.I

1

There are 32 students in Mr. Samuelson’s class. ⅝ of the students are boys. How many of the students in the class are girls?

5.3.I

1

24 people are at the beach. 3/8 of the people are surfing and 1/8 of the people are building sand castles. The rest of the people are searching for shells. How many people are searching for shells?

5.3.I

1

Which problem does the model represent?

5.3.I

1

Which problem does the model represent?

5.3.I

2

Multiplication is repeated addition.

Example:  2/9 × 3 → 2/9 + 2/9 + 2/9

Rewrite the problem below using addition.

1/3 × 4 → _______ 

What is the product?  _______

5.3.I

1

Which multiplication problem does the model represent?

5.3.I

2

Use the model below.

Write an addition expression for the model.  _______ 

Write a multiplication expression for the model.  _______ 

5.3.I

2

Use the model below.

Write an addition expression for the model.  _______ 

Write a multiplication expression for the model.  _______ 

5.3.I

1

How do we actually solve this? Shade the model to show your solution.

3 × 3/4

Make sure to simplify your answer.

5.3.I

1

How do we actually solve this? Shade the model to show your solution.

2 × 5/6

Make sure to simplify your answer.

5.3.I

1

Use algorithm to solve.  Reduce or simplify if you can.

3 × 5/6 = _______ 

5.3.I

1

Use algorithm to solve.  Reduce or simplify if you can.

5 × 3/4 = _______ 

5.3.I

1

Use algorithm to solve.  Reduce or simplify if you can.

12 × 5/8 = _______ 

5.3.I

1

Natalie had 64 beads. She used 24 beads to make a bracelet. She used 7/8 of the remaining beads to make a necklace. How many beads does Natalie have left?

5.3.I

1

42 students are taking a field trip to the aquarium. 5/6 of the students brought their own lunch. How many students brought their own lunch?

5.3.I

1

Draw a model to solve.

24 spotted leopards are located in a wildlife sanctuary in South Africa. 7/8 of the leopards are female. How many leopards are female?

5.3.I

1

Draw a model to solve.

25 seals are transported from the Houston Zoo to the San Antonio Zoo. 3/5 of the seals are seal pups and the rest are adults. How many seals are adults?

5.3.I

1

Draw a model to solve.

Alex got an X-Box for his birthday. He has had his X-Box for 35 days. 4/5 of the days he has played his X-Box, he played Fortnite. How many days has Alex played Fortnite?

5.3.I

1

Draw a model to solve.

40 students were selected for the finals in the spelling B competition. 7/10 of the students are girls. How many students in the finals were boys?

5.3.I

1

Draw a model to solve.

Mary has three fish. 2/3 of her fish are goldfish. How many goldfish does Mary have?

5.3.I

1

Solve.

4/4 × 8

5.3.I

1

Draw a model to solve.

27 people are fishing from a pier. 1/9 of the people have caught Red Fish and 4/9 of the people have caught Drum fish. The rest of the people caught nothing. How many people caught fish on the pier?

5.3.I

1

Draw a model to solve.

24 people are at the beach. 3/8 of the people are surfing and 1/8 of the people are building sand castles. The rest of the people are searching for shells. How many people are searching for shells?

5.3.I

1

Draw a model to solve.

30 people are at Clear Lake Park. 1/10 of the people are flying kites, 3/10 of the people are playing soccer, and the rest are walking their dogs. How many more people are walking their dogs than playing soccer and flying their kites combined?

5.3.I

Multiply Fractions

Use a model to solve.1/3 × 15

Use a model to solve.3/4 × 20

Use a model to solve.3/5 × 35

Use a model to solve.7/8 × 24

There are 32 students in Mr. Samuelson’s class. ⅝ of the students are boys. How many of the students in the class are girls?

24 people are at the beach. 3/8 of the people are surfing and 1/8 of the people are building sand castles. The rest of the people are searching for shells. How many people are searching for shells?

Which problem does the model represent?

Which problem does the model represent?

Which multiplication problem does the model represent?

How do we actually solve this? Shade the model to show your solution.3 × 3/4Make sure to simplify your answer.

How do we actually solve this? Shade the model to show your solution.2 × 5/6Make sure to simplify your answer.

Natalie had 64 beads. She used 24 beads to make a bracelet. She used 7/8 of the remaining beads to make a necklace. How many beads does Natalie have left?

42 students are taking a field trip to the aquarium. 5/6 of the students brought their own lunch. How many students brought their own lunch?

Draw a model to solve. 24 spotted leopards are located in a wildlife sanctuary in South Africa. 7/8 of the leopards are female. How many leopards are female?

Draw a model to solve.25 seals are transported from the Houston Zoo to the San Antonio Zoo. 3/5 of the seals are seal pups and the rest are adults. How many seals are adults?

Draw a model to solve.Alex got an X-Box for his birthday. He has had his X-Box for 35 days. 4/5 of the days he has played his X-Box, he played Fortnite. How many days has Alex played Fortnite?

Draw a model to solve.40 students were selected for the finals in the spelling B competition. 7/10 of the students are girls. How many students in the finals were boys?

Draw a model to solve.Mary has three fish. 2/3 of her fish are goldfish. How many goldfish does Mary have?

Solve.4/4 × 8

Draw a model to solve.27 people are fishing from a pier. 1/9 of the people have caught Red Fish and 4/9 of the people have caught Drum fish. The rest of the people caught nothing. How many people caught fish on the pier?

Draw a model to solve.24 people are at the beach. 3/8 of the people are surfing and 1/8 of the people are building sand castles. The rest of the people are searching for shells. How many people are searching for shells?

Draw a model to solve.30 people are at Clear Lake Park. 1/10 of the people are flying kites, 3/10 of the people are playing soccer, and the rest are walking their dogs. How many more people are walking their dogs than playing soccer and flying their kites combined?

Use a model to solve.1/3 × 15

Use a model to solve.3/4 × 20

Use a model to solve.3/5 × 35

Use a model to solve.7/8 × 24

There are 32 students in Mr. Samuelson’s class. ⅝ of the students are boys. How many of the students in the class are girls?

24 people are at the beach. 3/8 of the people are surfing and 1/8 of the people are building sand castles. The rest of the people are searching for shells. How many people are searching for shells?

Which problem does the model represent?

Which problem does the model represent?

Which multiplication problem does the model represent?

How do we actually solve this? Shade the model to show your solution.3 × 3/4Make sure to simplify your answer.

How do we actually solve this? Shade the model to show your solution.2 × 5/6Make sure to simplify your answer.

Natalie had 64 beads. She used 24 beads to make a bracelet. She used 7/8 of the remaining beads to make a necklace. How many beads does Natalie have left?

42 students are taking a field trip to the aquarium. 5/6 of the students brought their own lunch. How many students brought their own lunch?

Draw a model to solve. 24 spotted leopards are located in a wildlife sanctuary in South Africa. 7/8 of the leopards are female. How many leopards are female?

Draw a model to solve.25 seals are transported from the Houston Zoo to the San Antonio Zoo. 3/5 of the seals are seal pups and the rest are adults. How many seals are adults?

Draw a model to solve.Alex got an X-Box for his birthday. He has had his X-Box for 35 days. 4/5 of the days he has played his X-Box, he played Fortnite. How many days has Alex played Fortnite?

Draw a model to solve.40 students were selected for the finals in the spelling B competition. 7/10 of the students are girls. How many students in the finals were boys?

Draw a model to solve.Mary has three fish. 2/3 of her fish are goldfish. How many goldfish does Mary have?

Solve.4/4 × 8

Draw a model to solve.27 people are fishing from a pier. 1/9 of the people have caught Red Fish and 4/9 of the people have caught Drum fish. The rest of the people caught nothing. How many people caught fish on the pier?

Draw a model to solve.24 people are at the beach. 3/8 of the people are surfing and 1/8 of the people are building sand castles. The rest of the people are searching for shells. How many people are searching for shells?

Draw a model to solve.30 people are at Clear Lake Park. 1/10 of the people are flying kites, 3/10 of the people are playing soccer, and the rest are walking their dogs. How many more people are walking their dogs than playing soccer and flying their kites combined?

Use a model to solve.

1/3 × 15

Use a model to solve.

3/4 × 20

Use a model to solve.

3/5 × 35

Use a model to solve.

7/8 × 24

How do we actually solve this? Shade the model to show your solution.

3 × 3/4

Make sure to simplify your answer.

How do we actually solve this? Shade the model to show your solution.

2 × 5/6

Make sure to simplify your answer.

Draw a model to solve.

24 spotted leopards are located in a wildlife sanctuary in South Africa. 7/8 of the leopards are female. How many leopards are female?

Draw a model to solve.

25 seals are transported from the Houston Zoo to the San Antonio Zoo. 3/5 of the seals are seal pups and the rest are adults. How many seals are adults?

Draw a model to solve.

Alex got an X-Box for his birthday. He has had his X-Box for 35 days. 4/5 of the days he has played his X-Box, he played Fortnite. How many days has Alex played Fortnite?

Draw a model to solve.

40 students were selected for the finals in the spelling B competition. 7/10 of the students are girls. How many students in the finals were boys?

Draw a model to solve.

Mary has three fish. 2/3 of her fish are goldfish. How many goldfish does Mary have?

Solve.

4/4 × 8

Draw a model to solve.

27 people are fishing from a pier. 1/9 of the people have caught Red Fish and 4/9 of the people have caught Drum fish. The rest of the people caught nothing. How many people caught fish on the pier?

Draw a model to solve.

24 people are at the beach. 3/8 of the people are surfing and 1/8 of the people are building sand castles. The rest of the people are searching for shells. How many people are searching for shells?

Draw a model to solve.

30 people are at Clear Lake Park. 1/10 of the people are flying kites, 3/10 of the people are playing soccer, and the rest are walking their dogs. How many more people are walking their dogs than playing soccer and flying their kites combined?

Use a model to solve.

1/3 × 15

Use a model to solve.

3/4 × 20

Use a model to solve.

3/5 × 35

Use a model to solve.

7/8 × 24

How do we actually solve this? Shade the model to show your solution.

3 × 3/4

Make sure to simplify your answer.

How do we actually solve this? Shade the model to show your solution.

2 × 5/6

Make sure to simplify your answer.

Draw a model to solve.

24 spotted leopards are located in a wildlife sanctuary in South Africa. 7/8 of the leopards are female. How many leopards are female?

Draw a model to solve.

25 seals are transported from the Houston Zoo to the San Antonio Zoo. 3/5 of the seals are seal pups and the rest are adults. How many seals are adults?

Draw a model to solve.

Alex got an X-Box for his birthday. He has had his X-Box for 35 days. 4/5 of the days he has played his X-Box, he played Fortnite. How many days has Alex played Fortnite?

Draw a model to solve.

40 students were selected for the finals in the spelling B competition. 7/10 of the students are girls. How many students in the finals were boys?

Draw a model to solve.

Mary has three fish. 2/3 of her fish are goldfish. How many goldfish does Mary have?

Solve.

4/4 × 8

Draw a model to solve.

27 people are fishing from a pier. 1/9 of the people have caught Red Fish and 4/9 of the people have caught Drum fish. The rest of the people caught nothing. How many people caught fish on the pier?

Draw a model to solve.

24 people are at the beach. 3/8 of the people are surfing and 1/8 of the people are building sand castles. The rest of the people are searching for shells. How many people are searching for shells?

Draw a model to solve.

30 people are at Clear Lake Park. 1/10 of the people are flying kites, 3/10 of the people are playing soccer, and the rest are walking their dogs. How many more people are walking their dogs than playing soccer and flying their kites combined?