Multiplying Fractions

Multiplying Fractions

Open Ended

Tell me what you know about Multiplying Fractions!

Poll

Tell me how you are feeling about multiplying fractions

Tyler has 4 friends. He gives each of them 1/2 of a cookie. How many cookies does he give out to his friends?

All the same strategies we use for multiplication can be used to multiply a fraction by a whole number.

Multiple Choice

• 3 + 3/4

• 3 + 3/7

• 3 x 3/4

• 3 x 3/7

Multiple Choice

• f

• g

• h

• j

Reorder

Put the steps to multiplying fractions in the correct order

• Add a 1 to the denominator of the whole number

• Multiply straight across

• Divide the numerator by the denominator

• If you have a remainder the remainder is your numerator and the divisor is your denominator

1

2

3

4

• 1
• 2
• 3
• 4

Multiple Choice

• 18

• 4

• 16

• 8

Multiple Select

Lucy has 4 friends. She gives each of them 5 cookies. How many cookies does she give out to her friends? Select all that apply.

Draw

Draw a picture to show 4 x 1/2

Poll

Amy says that she can use multiplication to solve this problem:

Danny has 8 bottles. He fills each bottle with 1/3 cup of water. How much water has he poured in all?

• Agree

• Disagree

Open Ended

How is multiplying fractions the same as multiplying whole numbers

Open Ended

How do we get the product when multiplying fractions?

Multiple Choice

1. Which visual model represents 2 x 2/6?

Multiple Choice

2. Which visual model represents 3 x 2/3?

Multiple Choice

3. This model represents multiplying a whole number by a fraction. Select the expression that represents the shaded model.

• 1 x 1/3

• 2 x 1/3

• 2 x 2/3

• 2 x 2/6

Multiple Choice

4. What expression is modeled above?

• 5 x 1/6

• 1/5 x 6

• 5/30

• 6 x 1/5

Multiple Choice

5. Click on the picture.

• 3 x 2/4

• 3 x 2/3

• 4 x 2/4

• 6 x 6/12

Multiple Choice

Mrs. Lambert bought 4 jars of candy. Each jar had 3/4 Ib of candy. What is the total weight of the candy?

• 3/12

• 12/4

• 7/4

• 12/16

Multiple Choice

Numerator

• The part of a whole in a fraction.  The top number of a fraction.

• Also called a whole number.

• The whole of a fraction.  The bottom number of a fraction.

• Both the top and bottom number of a fraction.

Multiple Choice

Denominator

• A fraction.

• The part of a fraction.  The top number of a fraction.

• The whole of a fraction.  The bottom number of a fraction.

• The answer to a multiplication problem.

Multiple Choice

Jenny spent 12 days at Grandma's house last summer. Her sister spent ¹/₄ of that time at Grandma's. How many days did Jenny's sister spend at Grandma's house last summer? 

• 4

• 3

• 14

• 48

Poll

Tell me how you are feeling about multiplying fractions