Geometry: Plane Shapes Ms. Magallanes 1st Grade Louis Wiener ES.

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Presentation transcript:

Geometry: Plane Shapes Ms. Magallanes 1st Grade Louis Wiener ES

Flat shapes are called plane shapes.

This is a triangle. How would you describe it? triangle  3 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 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 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?  r round  no straight sides o 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!!!