Geometry: Plane Shapes

Ms. Magallanes1st GradeLouis Wiener ES

Flat shapes are called plane shapes.

This is a triangle. How would you describe it?

triangle

3 sides 3 corners sides are straight lines it’s pointy

These objects are triangular in shape. Can you think of more?

rectangle

This is a rectangle. How would you describe it?

4 sides 4 corners sides are straight lines

These objects are rectangular in shape. Can you think of more?

square

This is a square. How would you describe it?

4 sides 4 corners sides are straight lines

What makes a square different than a

rectangle?

ALL sides are the same length

These objects are square in shape. Can you think of more?

circle

This is a circle. How would you describe it?

round no straight sides no corners

These objects are circular in shape. Can you think of more?

LET’S REVIEW…

How many triangles do you see?

If you found 4 triangles, you are CORRECT!

How many rectangles do you see?

If you found 3 rectangles, you are CORRECT!

How many squares do you see?

If you found 1 square, you are CORRECT!

How many circles do you see?

If you found 3 circles, you are CORRECT!

What Shape Am I?

I have 3 corners and 3 straight sides.

A TRIANGLE

What Shape Am I?

I have 4 corners and 4 straight sides. All of my sides are the

same length.

A SQUARE

THANK YOU!!!