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Using Manipulatives in Geometry
Transcript of Using Manipulatives in Geometry
You are getting sleepy
Is there more to this circle?
Place a hinged mirror on a piece of colored paper where the ends of the mirror hang over the same edge of the paper. Explore the polygons that you see-number of sides, measure of the angle of the mirror...
Take out the 2 strings, one a loop and the other a plumb. Make a triangle out of the loop. Two fingers from one person should be at the base vertices. Using a pencil, hang the plumb from the apex of the triangle. Look at the height when the triangle is acute, obtuse and a right triangle.
Link 2 rubberbands together. Draw a small shape on the piece of paper. Follow the directions for enlarging your shape.
Draw a 1-2" triangle on a piece of paper then trace it on a piece of patty paper. Now, follow the directions.
Legend has it that if you stare into someone's eyes in a special way, you can hypnotize them into squawking like a chicken. Here's how it works.
Take your paper plate and make it as flat as you can, then wait for directions.
Place a mirror on the floor. Your victim has to stand exactly 200 cm away from the mirror and stare into it. The only tricky part is that you need to figure out WHERE you have to stand so that when you stare into the mirror, you are also staring into the victim's eyes. If your calculations are correct and you stand at the exact distance, your victim will squawk like a chicken!
Create a regular hexagon
Create an equilateral triangle at least 2 different ways
Create a rhombus that is not a square
Create a circle
Hold a 90° hinged mirror at arm’s length and find your own image. Now close your right eye. Which eye closes in the mirror? Look back at the diagram from problem 2- 46. Can you explain why this eye is the one that closes?
Laser Pointer and angles
Today became a great day when you joined us!
Please pick up a packet and a hinged mirror
If you want my handout on
Functions, send me an email
Draw a picture of this situation.