Unit 4 - Lesson 16 - Grade 3: Illustrative Mathematics

Last updated 11 months ago

27 questions

Note from the author:

Grade 3 Unit 4
Lesson 16: Multiply Numbers Larger than 20
CC BY 2021 Illustrative Mathematics®

Instructions

Grade 3 Unit 4
Lesson 16: Multiply Numbers Larger than 20
CC BY 2021 Illustrative Mathematics®

Lesson: Multiply Numbers Larger than 20

Cool Down: Multiply Numbers Greater than 20

Unit 4 - Lesson 16 - Grade 3: Illustrative Mathematics

Last updated 11 months ago

27 questions

Note from the author:

Grade 3 Unit 4
Lesson 16: Multiply Numbers Larger than 20
CC BY 2021 Illustrative Mathematics®

Instructions

Grade 3 Unit 4
Lesson 16: Multiply Numbers Larger than 20
CC BY 2021 Illustrative Mathematics®

Lesson: Multiply Numbers Larger than 20

Number Talk: Three Times Some Numbers (Warm Up)

Find the value of each expression mentally.

3 x 10

3 x 20

3 x 50

3 x 25

4 x 23 Represented

Here is how Clare and Andre represented 4 x 23.

How does each diagram show 4 x 23?

How could we use Clare’s diagram to find the value of 4 x 23?

How could we use Andre’s diagram to find the value of 4 x 23?

Diego tried different ways to partition or split a diagram to help him find the value of 4 x 23.

What do you notice about the numbers in his diagrams?

Explain your reasoning.

Find the value of 3 x 28. Show your thinking using diagrams, symbols, or other representations.

Some Fine Products

To find the value of 2 x 37, Mai started by writing this equation:

2 x 30 = 60

Describe or show what Mai would do to finish finding the value of 2 x 37.

Find the value of the product. Show your reasoning.

3 x 32

Find the value of the product. Show your reasoning.

2 x 43

Find the value of the product. Show your reasoning.

4 x 22

Find the value of the product. Show your reasoning.

3 x 29

Play Close to 100, Multiplication (Optional)

Play Close to 100, Multiplication with a partner.

Place the cards face down.
Each player draws 4 cards.
Each player chooses 2 cards to complete the expression to make a value as close to 100 as possible. Write the 2 digits and the product.
Player closest to 100 wins.
Play 5 rounds. Player who wins the most rounds wins.

Game 1

Round 1

_______ x 1 _______ = _______ 

Round 2

_______ x 1 _______ = _______ 

Round 3

_______ x 1 _______ = _______ 

Game 2

Round 1

_______ x 1 _______ = _______ 

Round 2

_______ x 1 _______ = _______ 

Round 3

_______ x 1 _______ = _______ 

Cool Down: Multiply Numbers Greater than 20

Unit 4 - Lesson 16 - Grade 3: Illustrative Mathematics

Unit 4 - Lesson 16 - Grade 3: Illustrative Mathematics

Number Talk: Three Times Some Numbers (Warm Up)

3 x 10

3 x 20

3 x 50

3 x 25

4 x 23 Represented

How does each diagram show 4 x 23?

How could we use Clare’s diagram to find the value of 4 x 23?

How could we use Andre’s diagram to find the value of 4 x 23?

What do you notice about the numbers in his diagrams?

Explain your reasoning.

Find the value of 3 x 28. Show your thinking using diagrams, symbols, or other representations.

Some Fine Products

To find the value of 2 x 37, Mai started by writing this equation:2 x 30 = 60Describe or show what Mai would do to finish finding the value of 2 x 37.

Find the value of the product. Show your reasoning.3 x 32

Find the value of the product. Show your reasoning.2 x 43

Find the value of the product. Show your reasoning.4 x 22

Find the value of the product. Show your reasoning.3 x 29

Play Close to 100, Multiplication (Optional)

Game 1

Game 2

What’s the value of 4 x 24? Explain or show your reasoning.

Number Talk: Three Times Some Numbers (Warm Up)

3 x 10

3 x 20

3 x 50

3 x 25

4 x 23 Represented

How does each diagram show 4 x 23?

How could we use Clare’s diagram to find the value of 4 x 23?

How could we use Andre’s diagram to find the value of 4 x 23?

What do you notice about the numbers in his diagrams?

Which diagram would you use to find the value of 4 x 23?

Explain your reasoning.

Find the value of 3 x 28. Show your thinking using diagrams, symbols, or other representations.

Some Fine Products

To find the value of 2 x 37, Mai started by writing this equation:2 x 30 = 60Describe or show what Mai would do to finish finding the value of 2 x 37.

Find the value of the product. Show your reasoning.3 x 32

Find the value of the product. Show your reasoning.2 x 43

Find the value of the product. Show your reasoning.4 x 22

Find the value of the product. Show your reasoning.3 x 29

Play Close to 100, Multiplication (Optional)

Game 1

Game 2

What’s the value of 4 x 24? Explain or show your reasoning.

Which diagram would you use to find the value of 4 x 23?

To find the value of 2 x 37, Mai started by writing this equation:

2 x 30 = 60

Describe or show what Mai would do to finish finding the value of 2 x 37.

Find the value of the product. Show your reasoning.

3 x 32

Find the value of the product. Show your reasoning.

2 x 43

Find the value of the product. Show your reasoning.

4 x 22

Find the value of the product. Show your reasoning.

3 x 29

To find the value of 2 x 37, Mai started by writing this equation:

2 x 30 = 60

Describe or show what Mai would do to finish finding the value of 2 x 37.

Find the value of the product. Show your reasoning.

3 x 32

Find the value of the product. Show your reasoning.

2 x 43

Find the value of the product. Show your reasoning.

4 x 22

Find the value of the product. Show your reasoning.

3 x 29