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Unit 4 - Lesson 19 - Grade 3: Illustrative Mathematics

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22 Questions
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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

2.

Explain your reasoning.

3.

4 x 20 = 4 x 2 x 10

4.

Explain your reasoning.

5.

8 x 20 = 8 x 2 x 1

6.

Explain your reasoning.

7.

8 x 20 = 16 x 10

8.

Explain your reasoning.

Divide with Base-Ten Blocks

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

9.

10.

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

11.

12.

13.

Different Ways to Show Division

Jada and Han used base-ten blocks to represent


14.

Make sense of Jada’s and Han’s work.

What did they do differently?

15.

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.
16.


Would you make 4 groups or groups of 4?

17.

Explain your reasoning.

18.


Would you make 6 groups or groups of 6?

19.

Explain your reasoning.

20.


Would you make 15 groups or groups of 15?

21.

Explain your reasoning.

Cool Down: Find the Value
22.

Find the value of

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