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Unit 4 - Lesson 11 - Grade 3: Illustrative Mathematics

Last updated 9 months ago
10 questions
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Grade 3 Unit 4
Lesson 11: Multiplication Strategies on Ungridded Rectangles
CC BY 2021 Illustrative Mathematics®
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)

1

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.
1

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

1

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

1

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

1

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

1

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

1

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.
1

Explain your reasoning for sorting the cards.

Cool Down: Expressions for a Rectangle
1

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

1

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