Free powerpoint template: 1 Think! Communicate!! Justify!!! Mickey Jo Sobierajski NCTM Washington,...

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Think!Communicate!!

Justify!!!

Mickey Jo SobierajskiNCTM Washington, DC

April 24, 2009


August 2-6, 2009Wells College-Aurora, NY

www.amtnys.org


“…You tell me. How much do you think it is?”


Calculator Activities

http://www.flickr.com/photos/simonsteward/372223975/


Seven-Up

Start: 0

Add: 1 or 2

Target: 7


Ten-Up

Start: 0

Add: 1, 2, or 3

Target: 10


Now You’re 21

Start: 0

Add: 1, 2, 3, or 4

Target: 21


“25”Start: 0

Add: 1, 2, 3, 4, or 5 onlyif it is not in thewindow or not thesum of the digitsin the window

Target: 25


What is

ProblemSolving?


…what you dowhen you don’t

know what to do.

http://www.flickr.com/photos/9370353@N08/623952246/

http://www.flickr.com/photos/darienootm/2341460238/


Lauren has 84 identical cubes each with 2 cm edges. She glues them together to form a rectangular prism. The perimeter of the base is 28 cm. Find the height of the rectangular prism in centimeters.


A good problem to solve…

Involves several (sometimes many) interrelated concepts Needs to be at the upper level of Bloom’s Taxonomy

AnalyzeEvaluateCreate


Wall with two green doors.

Wall with one green door.


When there are 50 green doors in the wall, how many green and red blocks will there be altogether?


7 brownies 4 friends

The brownies are shared equally among the four friends. How much will each friend get?


BewareOf

Key Words!


More, sum, in all, and altogether do

not always mean to add. Less, left, and from do not always

mean to subtract. Of does not always mean to

multiply.


John walked 8 blocks north. Then he turned left and walked 6 blocks west. How far was he from his original starting place?


Brian rode on 12 rides at the carnival. In all, he spent $9.00 for the rides and $3.50 on snacks. How much did each ride cost?


Watch What You Say


Vocabulary

Ricky Rectangle is a funny sort.Two sides are long and two sides are short.


What is this?

6 +8 =

What number goes in the box?

Mickey Jo


Equal is not the same as Even


Interactive Word Wall


Which term does not belong? Why?

square kite

triangle rhombus


Concept: Even Numbers

24 2

36 ___


Concept: Solid Shapes

Rectangular TriangularPrism Prism

Cylinder


In their own words


Speak math ideas out loud!

Make math come alive!

Use new math words everyday!

Talk math and you will understand!


www.themathplace.org

Free powerpoint template: 1 Think! Communicate!! Justify!!! Mickey Jo Sobierajski NCTM Washington,...

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