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Think! Communicate!! Justify!!!. Mickey Jo Sobierajski NCTM Washington, DC April 24, 2009. August 2-6, 2009 Wells College-Aurora, NY www.amtnys.org. “…You tell me. How much do you think it is?”. Calculator Activities. Seven-Up. Start: 0 Add: 1 or 2 Target: 7. Ten-Up. Start: 0
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Think! Communicate!! Justify!!! Mickey Jo Sobierajski NCTM Washington, DC April 24, 2009 Free powerpoint template: www.brainybetty.com
August 2-6, 2009Wells College-Aurora, NYwww.amtnys.org Free powerpoint template: www.brainybetty.com
“…You tell me. How much do you think it is?” Free powerpoint template: www.brainybetty.com
Calculator Activities Free powerpoint template: www.brainybetty.com
Seven-Up Start: 0 Add: 1 or 2 Target: 7 Free powerpoint template: www.brainybetty.com
Ten-Up Start: 0 Add: 1, 2, or 3 Target: 10 Free powerpoint template: www.brainybetty.com
Now You’re 21 Start: 0 Add: 1, 2, 3, or 4 Target: 21 Free powerpoint template: www.brainybetty.com
“25” Start: 0 Add: 1, 2, 3, 4, or 5 only if it is not in the window or not the sum of the digits in the window Target: 25 Free powerpoint template: www.brainybetty.com
What is Problem Solving? Free powerpoint template: www.brainybetty.com
…what you dowhen you don’tknow what to do. Free powerpoint template: www.brainybetty.com
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. Free powerpoint template: www.brainybetty.com
A good problem to solve… • Involves several (sometimes many) interrelated concepts • Needs to be at the upper level of Bloom’s Taxonomy Analyze Evaluate Create Free powerpoint template: www.brainybetty.com
Wall with two green doors. Wall with one green door. Free powerpoint template: www.brainybetty.com
When there are 50 green doors in the wall, how many green and red blocks will there be altogether? Free powerpoint template: www.brainybetty.com
7 brownies 4 friends The brownies are shared equally among the four friends. How much will each friend get? Free powerpoint template: www.brainybetty.com
Beware Of Key Words! Free powerpoint template: www.brainybetty.com
More, sum, in all, and altogetherdo not always mean to add. • Less, left, and fromdo not always mean to subtract. • Of does not always mean to multiply. Free powerpoint template: www.brainybetty.com
John walked 8 blocks north. Then he turned leftand walked 6 blocks west. How far was he from his original starting place? Free powerpoint template: www.brainybetty.com
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? Free powerpoint template: www.brainybetty.com
Watch What You Say Free powerpoint template: www.brainybetty.com
Vocabulary Ricky Rectangle is a funny sort. Two sides are long and two sides are short. Free powerpoint template: www.brainybetty.com
What is this? 6 +8 = What number goes in the box? Free powerpoint template: www.brainybetty.com
Equal is not the same as Even Free powerpoint template: www.brainybetty.com
Interactive Word Wall Free powerpoint template: www.brainybetty.com
Which term does not belong? Why? square kite triangle rhombus Free powerpoint template: www.brainybetty.com
Concept: Even Numbers 24 2 36 ___ Free powerpoint template: www.brainybetty.com
Concept: Solid Shapes Rectangular Triangular Prism Prism Cylinder Free powerpoint template: www.brainybetty.com
In their own words Free powerpoint template: www.brainybetty.com
Speak math ideas out loud! Make math come alive! Use new math words everyday! Talk math and you will understand! Free powerpoint template: www.brainybetty.com
www.themathplace.org Free powerpoint template: www.brainybetty.com
