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Unit 4 - Lesson 12 - Grade 3: Illustrative Mathematics

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15 Questions
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Grade 3 Unit 4
Lesson 12: Multiply Multiples of Ten
CC BY 2021 Illustrative Mathematics®
Grade 3 Unit 4
Lesson 12: Multiply Multiples of Ten
CC BY 2021 Illustrative Mathematics®
Lesson: Multiply Multiples of Ten

Notice and Wonder: Tens (Warm Up)

1.

What do you notice?

2.

What do you wonder?

A Whole Lot of Dollars

3.

Six friends are playing a board game that uses play money. The paper bills come in $5, $10, $20, $50, and $100.

Every player received $100 to start. Which of the following could be the bills that a player received?

Write an expression to represent the play bills and the amount in dollars.

At one point in the game, Noah had to pay Lin $150. He gave her that amount using the same type of bill.
4.

Which bill and how many of it could Noah have used to make $150? Name all the possibilities.

5.

Write an expression for each way that Noah could have paid Lin.

6.

The table shows what the players had at the end of the game. The person with the most money wins. Who won the game?

7.

Write an expression to represent the bills each person has and the amount in dollars.

Two Strategies

Two students used base-ten blocks to find the value of 8 x 30.


  • Jada counted: 30, 60, 90, 120, 150, 180, 210, 240, and said the answer is 240.
  • Kiran said he knew is 24, then found to get 240.
8.

How are Jada and Kiran’s strategies alike?

9.

How are Jada and Kiran’s strategies different?

10.

Find the value of the expression. Explain or show your reasoning.

5 x 60

11.

Find the value of the expression. Explain or show your reasoning.

8 x 50

12.

Find the value of the expression. Explain or show your reasoning.

4 x 30

13.

Find the value of the expression. Explain or show your reasoning.

7 x 40

14.

Find the value of the expression. Explain or show your reasoning.

9 x 20

Cool Down: What’s the Value?
15.

Find the value of 6 x 40. Explain or show your reasoning.