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Unit 4 - Lesson 9 - Grade 3: Illustrative Mathematics

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Last updated 11 months ago
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
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Cool Down: Find the Missing Product
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Notice and Wonder: Multiplication Table (Warm Up)

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Question 1
1.

What do you notice?

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Question 2
2.

What do you wonder?

Products in the Table

Here is a partially completed multiplication table.

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If I Know, Then I Know: Multiplication

Question 23
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.

Question 24
24.

Share your reasoning.

Question 25
25.

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

Question 26
26.

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

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

What number should replace letter A?

Question 4
4.

Explain your reasoning.

Question 5
5.

What number should replace letter B?

Question 6
6.

Explain your reasoning.

Question 7
7.

What number should replace letter C?

Question 8
8.

Explain your reasoning.

Question 9
9.

What number should replace letter D?

Question 10
10.

Explain your reasoning.

Question 11
11.

What number should replace letter E?

Question 12
12.

Explain your reasoning.

Question 13
13.

What number should replace letter F?

Question 14
14.

Explain your reasoning.

Question 15
15.

What number should replace letter G?

Question 16
16.

Explain your reasoning.

Question 17
17.

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

Question 18
18.

Explain your reasoning.

Question 19
19.

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

Question 20
20.

Explain your reasoning.

Question 21
21.

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

Question 22
22.

Explain your reasoning.