dream catcher lesson plan

WHAT IS A DREAM CATCHER?

• Dream Catchers are meant to “catch” your bad dreams

• They can be made many different ways

TODAY:

We will be making dream catchers using Geometric Shapes!

By the end of this activity, I want each and every one of you to be

able to identify at LEAST two different parts of the shapes you

choose for your dream catcher.

For example…

GEOMETRIC SHAPES

LET’S LOOK AT THE DIFFERENT TWO-DIMENSIONAL SHAPES

WHAT IS A POLYGON?A plane (flat surface) shape with

straight sides

KEY TERMS

RIGHT ANGLEAN ANGLE THAT

MEASURES 90 DEGREESA PERFECT “L”

WHAT IS A VERTEX?A vertex (plural:

vertices) is a point where two or more straight lines meet

ARE THESE SHAPES POLYGONS?

YESYES

NO, EXPLAIN WHY

YES

A SQUARE….

• Is a polygon

• Has 4 sides of equal (the same) length• Has 4 right angle corners

• Has 4 vertices

**When shapes have sides that are the same length, the correct term to use is------Congruent (con-groo-ent)**

A TRIANGLE….

• Is a polygon

• Has three congruent sides

• Has three angles

• Has how many vertices?

A HEXAGON….

• Is a polygon

• Has six congruent sides

• Has how many angles?

• Has six vertices

A STAR….

• Is a polygon

• Has 10 congruent sides

• Has 10 angles (can you find them?)

• Has 10 vertices

WORKS CITED

http://www.mathsisfun.com/geometry/polygons.html

http://www.mathsisfun.com/rightangle.html

http://www.mathsisfun.com/geometry/vertices-faces-edges.html

http://www.dream-catchers.org/

http://www.maths.com/geometry/polygons/congruent-polygons.htm

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