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Unit 7 - Lesson 5 - Grade 5: Illustrative Mathematics

Last updated about 1 year ago

8 questions

Note from the author:

Instructions

Lesson: Trapezoids

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Cool Down: Which Ones are Trapezoids?

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Grade 5 Unit 7
Lesson 5: Trapezoids
CC BY 2021 Illustrative Mathematics

Grade 5 Unit 7
Lesson 5: Trapezoids
CC BY 2021 Illustrative Mathematics

What Do You Know About Trapezoids? (Warm Up)

Question 1

1.

What do you know about trapezoids?

What’s a Trapezoid?

Question 2

2.

Draw a trapezoid. Label the coordinates of the grid points you used.

Question 3

3.

Is it a square? Rectangle? Rhombus? Parallelogram? Explain your reasoning.

Question 4

4.

Describe a trapezoid in your own words. Compare your definition with a partner.

Question 5

5.

Is this shape a trapezoid according to your definition? Explain your reasoning.

Two Definitions of a Trapezoid

Question 6

6.

Which statements go with the first definition? Which statements go with the second definition? Explain or show your reasoning.

1. All parallelograms are trapezoids.
2. No parallelograms are trapezoids.
3. All trapezoids are parallelograms.
4. Some trapezoids are parallelograms.
5. No trapezoids are parallelograms.

Question 7

7.

When is a quadrilateral also a trapezoid?

Question 8

8.

Which of the following shapes are trapezoids? Show or explain your reasoning.