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Unit 4 - Lesson 9 - Grade 3: Illustrative Mathematics

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26 Questions
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Grade 3 Unit 4
Lesson 9: Patterns in the Multiplication Table
CC BY 2021 Illustrative Mathematics®
Grade 3 Unit 4
Lesson 9: Patterns in the Multiplication Table
CC BY 2021 Illustrative Mathematics®
Lesson: Patterns in the Multiplication Table

Notice and Wonder: Multiplication Table (Warm Up)

1.

What do you notice?

2.

What do you wonder?

Products in the Table

Here is a partially completed multiplication table.

Use the products in the table to help you find the numbers that should replace letters A–G. Be prepared to explain your reasoning.
3.

What number should replace letter A?

4.

Explain your reasoning.

5.

What number should replace letter B?

6.

Explain your reasoning.

7.

What number should replace letter C?

8.

Explain your reasoning.

9.

What number should replace letter D?

10.

Explain your reasoning.

11.

What number should replace letter E?

12.

Explain your reasoning.

13.

What number should replace letter F?

14.

Explain your reasoning.

15.

What number should replace letter G?

16.

Explain your reasoning.

17.

Find the number that should go in an empty cell in the table. Use 7 as a factor.

18.

Explain your reasoning.

19.

Find the number that should go in an empty cell in the table. Use 9 as a factor.

20.

Explain your reasoning.

21.

Find the number that should go in an empty cell in the table. Use 10 as a factor.

22.

Explain your reasoning.

If I Know, Then I Know: Multiplication

23.

In each row, write down at least two multiplication facts you can figure out because you know the given multiplication fact in the left column.

If time permits, complete the rest of the multiplication table. Use the multiplication facts you know to find those you don’t know.

24.

Share your reasoning.

25.

If time permits, complete the rest of the multiplication table. Use the multiplication facts you know to find those you don’t know.

Cool Down: Find the Missing Product
26.

What number should replace the question mark?
Explain or show your reasoning.