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From Concrete to Abstract:

From Concrete to Abstract:. Helping ALL Students Develop Algebraic Thinking Skills. Heather Sparks, NBCT Taft Middle School Oklahoma City Schools www.hisparks.com October 2, 2008. *Adapted from Van de Walle and Lovin. STORY:. Turtle and Snail

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From Concrete to Abstract:

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  1. From Concrete to Abstract: Helping ALL Students Develop Algebraic Thinking Skills Heather Sparks, NBCT Taft Middle School Oklahoma City Schools www.hisparks.com October 2, 2008

  2. *Adapted from Van de Walle and Lovin

  3. STORY: Turtle and Snail On summer day, Little Green Turtle challenged Teeny Tiny Turtle to a race from the oak tree to the elm tree. Turtle travels at a rate of 3 feet per minute and Snail travels at a rate of 2 feet per minute. The trees are 12 feet apart.

  4. PICTURE Turtle and Snail 12 feet

  5. TABLE Turtle Snail time distance time distance 0 1 2 3 4 0 3 6 9 12 0 1 2 3 4 0 2 4 6 8

  6. RULE OR EQUATION Turtle: multiply by 3 Snail: multiply by 2 D=3t D=2t

  7. GRAPH 12 11 10 9 8 7 6 5 4 3 2 1 0 distance in feet 0 1 2 3 4 5 6 7 8 time

  8. Given a graph, can you write a story?

  9. Let’s Apply! • Penny Bridges • Ball Bouncing • Slinky Stretch • Cup Stacking • Party Tables

  10. Heather’s Website: www.hisparks.com

  11. Do you want Heather to come to your district and present, free of charge? Call (405) 521-2841

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