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Number Talks

Number Talks. Developing Mental Strategies for Dealing with Numbers Adapted from St. Vrain School District. About Number Talks. Students participate daily In addition to 1 hour math session 10 - 15 minutes Number talks replace timed tests drilling facts around the world games

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Number Talks

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  1. Number Talks Developing Mental Strategies for Dealing with Numbers Adapted from St. Vrain School District

  2. About Number Talks • Students participate daily • In addition to 1 hour math session • 10 - 15 minutes • Number talks replace • timed tests • drilling facts • around the world games • Students do not use pencil and paper

  3. Facilitating Number Talks • Record all processes so students can ask questions about strategies they find confusing • Encourage students to try a “new” strategy regularly • Question students to help them clarify their strategies • Ask repeatedly, “Who thought of it differently?”

  4. Elements of a Successful Number Talk • All children are participating • Thumbs up when ready • Safe Environment: • No criticism or praise • Quiet thinking time • Collect all answers • Share Three Strategies

  5. Successful Number Talks Continued • Record the strategies • Use careful questioning to draw explanations • Not too much help: Let them struggle! • Don’t leave incorrect explanations • Encourage children to try other strategies • Name strategies

  6. What Students Might Do • Use landmark numbers 58 + 27 58 - 8 = 50 27 - 2 = 25 50 + 25 = 75 8 + 2 = 10 75 + 10 = 85

  7. What Students Might Do • Front end addition 24 + 86 20 + 80 = 100 4 + 6 = 10 100 + 10 = 110

  8. What Students Might Do • Take apart numbers 100 - 55 - 12 100 - 50 = 50 50 - 5 = 45 45 - 10 = 35 35 - 2 = 33

  9. What Students Might Do • Change order in addition 5 + 42 + 20 + 25 20 + 5 = 25 25 + 25 = 50 50 + 40 = 90 90 + 2 = 92

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