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K-5 Grade 3 Unit 7 Lesson 4

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•K-5 Math 6-8 Math 9-12 Math

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Lesson 4

Warm-up Activity 1

Unit 7, Lesson 4

Attributes of Rectangles, Rhombuses, and Squares

Grade 3

Warm-up

Which 3 go together?

A 4-sided shape. — A

A four-sided shape. — B

A triangle. — C

A shape with 4 sides. — D

Activity 1

These are right triangles.

These are not right triangles.
1. Which of the following are right triangles? Circle them.
2. What makes a shape a right triangle?
These are rectangles.

These are not rectangles.
1. Which of the following are rectangles? Circle them.
2. What makes a shape a rectangle?
These are rhombuses.

These are not rhombuses.
1. Which of the following are rhombuses? Circle them.
2. What makes a shape a rhombus?
These are squares.

These are not squares.
1. Which of the following are squares? Circle them.
2. What makes a shape a square?