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Unit 4 - Lesson 19 - Grade 3: Illustrative Mathematics

Last updated 9 months ago
22 questions
Note from the author:
Grade 3 Unit 4
Lesson 19: Ways to Divide Larger Numbers
CC BY 2021 Illustrative Mathematics®
Grade 3 Unit 4
Lesson 19: Ways to Divide Larger Numbers
CC BY 2021 Illustrative Mathematics®
Lesson: Ways to Divide Larger Numbers

True or False: Ones, Tens, Twenties (Warm Up)

Decide if each statement is true or false. Be prepared to explain your reasoning.
1

40 x 10 = 40 x 1

1

Explain your reasoning.

1

4 x 20 = 4 x 2 x 10

1

Explain your reasoning.

1

8 x 20 = 8 x 2 x 1

1

Explain your reasoning.

1

8 x 20 = 16 x 10

1

Explain your reasoning.

Divide with Base-Ten Blocks

Use base-ten blocks to represent each expression. Then, find its value.

1

1

Find the value of each expression. Use base-ten blocks if you find them helpful.

1

1

1

Different Ways to Show Division

Jada and Han used base-ten blocks to represent


1

Make sense of Jada’s and Han’s work.

What did they do differently?

1

Make sense of Jada’s and Han’s work.

In each person's work, where do we see the value of

How would you use base-ten blocks so you could represent these expressions and find their value? Be prepared to explain your reasoning.
1


Would you make 4 groups or groups of 4?

1

Explain your reasoning.

1


Would you make 6 groups or groups of 6?

1

Explain your reasoning.

1


Would you make 15 groups or groups of 15?

1

Explain your reasoning.

Cool Down: Find the Value
1

Find the value of

Use base-ten blocks if they are helpful. Explain or show your reasoning.