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Esti.–.Mystery.#10: Yellow Yarn Estimation Challenge

Solve the mystery of the Yellow Yarn length - estimate, use clues, and make informed guesses to find the answer between 45 and 125 cm. Discover the missing number pattern and rule out possibilities step by step. Test your estimation skills now!

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Esti.–.Mystery.#10: Yellow Yarn Estimation Challenge

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  1. ESTI - MYSTERIES Estimation Meets Math Mysteries Esti – Mystery #10 “Yellow Yarn” Steve Wyborney www.stevewyborney.com

  2. Before seeing the clues, estimate the length of the yarn – when it is straightened – in centimeters. As the clues appear, use the information to narrow the possibilities to a smaller set. Then use estimation to determine which of the remaining answers is the most reasonable. Steve Wyborney www.stevewyborney.com

  3. Clue #1 Clue #1 The answer is between 45and 125. Clue #3 Clue #3 The answer is not a multiple of 10. Clue #2 Look carefully at the cm side of the ruler. The yarn is touching a pattern of numbers – except it missed a number in that pattern. The answer is a multiple of the missing number. Clue #2 Clue #4 Clue #4 The answer does not include the digit 4. www.stevewyborney.com Steve Wyborney

  4. By combining the clues and estimation, you now have enough information to determine the answer. Steve Wyborney www.stevewyborney.com

  5. The Reveal Click to see the answer. 72 cm Steve Wyborney

  6. Esti - Mysteries Mystery #10 Click here (or on the image) to download more Esti – Mysteries. Other Downloadable Resources 50 Splat! Lessons (for PowerPoint) 20 Fraction Splat! Lessons (for PowerPoint) 80 Cube Conversations Lessons 100 Subitizing Slides & 10 Challenge Patterns The Estimation Clipboard Splat! for Google Slides

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