Unit 4 - Lesson 9 - Grade 3: Illustrative Mathematics
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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
What do you notice?
What do you notice?
What do you wonder?
What do you wonder?
Here is a partially completed multiplication table.
What number should replace letter A?
What number should replace letter A?
Explain your reasoning.
Explain your reasoning.
What number should replace letter B?
What number should replace letter B?
Explain your reasoning.
Explain your reasoning.
What number should replace letter C?
What number should replace letter C?
Explain your reasoning.
Explain your reasoning.
What number should replace letter D?
What number should replace letter D?
Explain your reasoning.
Explain your reasoning.
What number should replace letter E?
What number should replace letter E?
Explain your reasoning.
Explain your reasoning.
What number should replace letter F?
What number should replace letter F?
Explain your reasoning.
Explain your reasoning.
What number should replace letter G?
What number should replace letter G?
Explain your reasoning.
Explain your reasoning.
Find the number that should go in an empty cell in the table. Use 7 as a factor.
Find the number that should go in an empty cell in the table. Use 7 as a factor.
Explain your reasoning.
Explain your reasoning.
Find the number that should go in an empty cell in the table. Use 9 as a factor.
Find the number that should go in an empty cell in the table. Use 9 as a factor.
Explain your reasoning.
Explain your reasoning.
Find the number that should go in an empty cell in the table. Use 10 as a factor.
Find the number that should go in an empty cell in the table. Use 10 as a factor.
Explain your reasoning.
Explain your reasoning.
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.
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.
Share your reasoning.
Share your reasoning.
If time permits, complete the rest of the multiplication table. Use the multiplication facts you know to find those you don’t know.
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
What number should replace the question mark?
What number should replace the question mark?
Explain or show your reasoning.