RCN Lesson 24 - Fraction Multiplication and Division Situations

Last updated almost 3 years ago

13 questions

Activity 1: Info Gap - 
 (15 min) 
(In groups of 2) 

RCN Lesson 24 - Fraction Multiplication and Division Situations

Last updated almost 3 years ago

13 questions

Develop Understanding
Today's Learning Goal: (G5,U3, L17)
Solve problems involving multiplication and division with fractions.
Today's Materials:
Laptop
Laptop charger
Pen/Pencil/Paper (optional)
Please complete the Jump Start (activator). You have 5 minutes before we review. This is independent it should be silent.
Reminders:
1. Ready for class
2. No cellphones
3. Volume must be low.
4. Read and follow all directions
5.) Take your bag off and immediately begin the Activator.

Required

Launch: - (10 min) 
I'll Try question 5
We'll Try question 6
You Try question 7!

Required

The container holds 1/2 gallon of water. It is 3/4 full. How many gallons of water are in the container?

Required

Activity 1: Info Gap - 
 (15 min) 
(In groups of 2) 

Problem Card Instructions:
Silently read your card and think about what information you need to answer the question.
Ask your partner for the specific information that you need.
Explain to your partner how you are using the information to solve the problem.
Solve the problem and explain your reasoning to your partner. 

Data Card Instructions:
Silently read the information on your card.
Ask your partner, “What specific information do you need?” and wait for your partner to ask for information. Only give information that is on your card. (Do not figure out anything for your partner!)
Before telling your partner the information, ask, “Why do you need that information?”
After your partner solves the problem, ask them to explain their reasoning and listen to their explanation.

Activity 2: Multiplication or Division - (15 min)
(Groups of 2)

Solve each problem. Explain or show your reasoning.

Required

If 11 grains of rice weigh 1/3 gram, how much does each grain of rice weigh?

Required

Lesson Synthesis: (10 min)'
 

Required

What relationships do you see between these problems?

What do we know about the relationship between multiplication and division?

Cool Down: How Much Milk? - (5 min)

Required

A container has 2 cups of milk in it. How many 1/4 cups of milk are in the container?
(Explain or show your reasoning)

Required

A container has 2 cups of milk in it. The container is 1/3 full. How many cups does the container hold?
(Explain or show your reasoning.)

Closure Questions:
How do you feel about this material?
How can you tell what operation to use during a word problem? 
What is multiplication?
What is division?

RCN Lesson 24 - Fraction Multiplication and Division Situations

Activity 1: Info Gap -

(15 min)

RCN Lesson 24 - Fraction Multiplication and Division Situations

Launch: - (10 min)

I'll Try question 5

We'll Try question 6

You Try question 7!

The container holds 1/2 gallon of water. It is 3/4 full. How many gallons of water are in the container?

Activity 1: Info Gap -

(15 min)

Activity 2: Multiplication or Division - (15 min)

(Groups of 2)

Solve each problem. Explain or show your reasoning.

If 11 grains of rice weigh 1/3 gram, how much does each grain of rice weigh?

Lesson Synthesis: (10 min)'

What relationships do you see between these problems?What do we know about the relationship between multiplication and division?

Cool Down: How Much Milk? - (5 min)

A container has 2 cups of milk in it. How many 1/4 cups of milk are in the container? (Explain or show your reasoning)

A container has 2 cups of milk in it. The container is 1/3 full. How many cups does the container hold? (Explain or show your reasoning.)

Closure Questions:

Jump Start: Number Talk: Multiply and Divide - (5 min)

Launch: - (10 min)

I'll Try question 5

We'll Try question 6

You Try question 7!

The container holds 1/2 gallon of water. It is 3/4 full. How many gallons of water are in the container?

The container has 1/2 gallon of water. 6 friends split the water equally. How many gallons of water does each friend get?

The container has 1 gallon of water. Each bottle holds 1/8 of a gallon. How many bottles of water does the container hold?

Activity 2: Multiplication or Division - (15 min)

(Groups of 2)

Solve each problem. Explain or show your reasoning.

If 11 grains of rice weigh 1/3 gram, how much does each grain of rice weigh?

Mai’s road is 9/10 mile long. She ran 3/4 of the length of her road. How far did she run?

If each tennis ball weighs 2 1/16 ounces, how much do 9 tennis balls weigh?

Lesson Synthesis: (10 min)'

What relationships do you see between these problems?What do we know about the relationship between multiplication and division?

Cool Down: How Much Milk? - (5 min)

A container has 2 cups of milk in it. How many 1/4 cups of milk are in the container? (Explain or show your reasoning)

A container has 2 cups of milk in it. The container is 1/3 full. How many cups does the container hold? (Explain or show your reasoning.)

Closure Questions:

Jump Start: Number Talk: Multiply and Divide - (5 min)

The container has 1/2 gallon of water. 6 friends split the water equally. How many gallons of water does each friend get?

The container has 1 gallon of water. Each bottle holds 1/8 of a gallon. How many bottles of water does the container hold?

Mai’s road is 9/10 mile long. She ran 3/4 of the length of her road. How far did she run?

If each tennis ball weighs 2 1/16 ounces, how much do 9 tennis balls weigh?

What relationships do you see between these problems?

What do we know about the relationship between multiplication and division?

A container has 2 cups of milk in it. How many 1/4 cups of milk are in the container?
(Explain or show your reasoning)

A container has 2 cups of milk in it. The container is 1/3 full. How many cups does the container hold?
(Explain or show your reasoning.)

What relationships do you see between these problems?

What do we know about the relationship between multiplication and division?

A container has 2 cups of milk in it. How many 1/4 cups of milk are in the container?
(Explain or show your reasoning)

A container has 2 cups of milk in it. The container is 1/3 full. How many cups does the container hold?
(Explain or show your reasoning.)