Unit 4 - Lesson 11 - Grade 3: Illustrative Mathematics

Last updated 11 months ago

10 questions

Note from the author:

Grade 3 Unit 4
Lesson 11: Multiplication Strategies on Ungridded Rectangles
CC BY 2021 Illustrative Mathematics®

Instructions

Grade 3 Unit 4
Lesson 11: Multiplication Strategies on Ungridded Rectangles
CC BY 2021 Illustrative Mathematics®

Lesson: Multiplication Strategies on Ungridded Rectangles

Cool Down: Expressions for a Rectangle

Unit 4 - Lesson 11 - Grade 3: Illustrative Mathematics

Last updated 11 months ago

10 questions

Note from the author:

Grade 3 Unit 4
Lesson 11: Multiplication Strategies on Ungridded Rectangles
CC BY 2021 Illustrative Mathematics®

Instructions

Grade 3 Unit 4
Lesson 11: Multiplication Strategies on Ungridded Rectangles
CC BY 2021 Illustrative Mathematics®

Lesson: Multiplication Strategies on Ungridded Rectangles

Which One Doesn’t Belong: Multiplication in Many Forms (Warm Up)

Which one doesn’t belong?

Mark, then Express

For each rectangle:
Mark or shade each rectangle to show a strategy for finding its area.
Write one or more expressions that can represent how you find the area.

Mark or shade the rectangle to show a strategy for finding its area.

Write one or more expressions that can represent how you find the area.

Card Sort: Different Expressions, Same Rectangle

Your teacher will give you a set of cards with expressions that represent areas of rectangles.
Sort the expressions into groups so that the expressions in each group can represent the area of the same rectangle. Be prepared to explain your reasoning.
You can draw rectangles if you find them helpful.

Explain your reasoning for sorting the cards.

Cool Down: Expressions for a Rectangle

Unit 4 - Lesson 11 - Grade 3: Illustrative Mathematics

Unit 4 - Lesson 11 - Grade 3: Illustrative Mathematics

Which One Doesn’t Belong: Multiplication in Many Forms (Warm Up)

Which one doesn’t belong?

Mark, then Express

Mark or shade the rectangle to show a strategy for finding its area.

Write one or more expressions that can represent how you find the area.

Card Sort: Different Expressions, Same Rectangle

Explain your reasoning for sorting the cards.

Mark or shade this rectangle to show a strategy for finding its area.

Write one or more expressions that represent how you find the area.

Which One Doesn’t Belong: Multiplication in Many Forms (Warm Up)

Which one doesn’t belong?

Mark, then Express

Mark or shade the rectangle to show a strategy for finding its area.

Write one or more expressions that can represent how you find the area.

Mark or shade the rectangle to show a strategy for finding its area.

Write one or more expressions that can represent how you find the area.

Mark or shade the rectangle to show a strategy for finding its area.

Write one or more expressions that can represent how you find the area.

Card Sort: Different Expressions, Same Rectangle

Explain your reasoning for sorting the cards.

Mark or shade this rectangle to show a strategy for finding its area.

Write one or more expressions that represent how you find the area.

Mark or shade the rectangle to show a strategy for finding its area.

Write one or more expressions that can represent how you find the area.

Mark or shade the rectangle to show a strategy for finding its area.

Write one or more expressions that can represent how you find the area.