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Unit 4 - Lesson 12 - Grade 3: Illustrative Mathematics

Last updated 9 months ago
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?

1

What do you wonder?

A Whole Lot of Dollars

1

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.
1

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

1

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

1

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

1

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.
1

How are Jada and Kiran’s strategies alike?

1

How are Jada and Kiran’s strategies different?

1

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

5 x 60

1

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

8 x 50

1

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

4 x 30

1

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

7 x 40

1

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

9 x 20

Cool Down: What’s the Value?
1

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