These are right triangles.
These are not right triangles.
1
Which of the following are right triangles? Circle them.
Which of the following are right triangles? Circle them.
1
What makes a shape a right triangle?
What makes a shape a right triangle?
Grade 3 Unit 7
Lesson 4: Attributes of Rectangles, Rhombuses, and Squares
CC BY 2021 Illustrative Mathematics®
Grade 3 Unit 7
Lesson 4: Attributes of Rectangles, Rhombuses, and Squares
CC BY 2021 Illustrative Mathematics®
Which one doesn’t belong?
These are right triangles.
These are not right triangles.
Which of the following are right triangles? Circle them.
What makes a shape a right triangle?
These are rectangles.
These are not rectangles.
Which of the following are rectangles? Circle them.
What makes a shape a rectangle?
These are rhombuses.
These are not rhombuses.
Which of the following are rhombuses? Circle them.
What makes a shape a rhombus?
These are squares.
These are not squares.
Which of the following are squares? Circle them.
What makes a shape a squares?
Select all of the quadrilaterals that are rhombuses.
Explain your reasoning.
