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stevewyborney

ESTI - MYSTERIES. Estimation Meets Math Mysteries. Esti – Mystery #9. “ Cupside Down”. Steve Wyborney. www.stevewyborney.com. Before seeing the clues, estimate how many objects are in the cup.

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stevewyborney

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  1. ESTI - MYSTERIES Estimation Meets Math Mysteries Esti – Mystery #9 “Cupside Down” Steve Wyborney www.stevewyborney.com

  2. Before seeing the clues, estimate how many objects are in the cup. 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 an odd number. Clue #2 Clue #2 Look at the visible faces on the die. What do you see? Those 3 digits are not in the answer. Clue #3 Clue #3 Add the visible numbers on the die. The sum is not a digit in the answer. Clue #4 Clue #4 The answer does not include the digit 6. Clue #5 Look at the die again. The visible numbers are part of a counting sequence – except one number is missing. That missing number represents a digit that is in the answer. Clue #5 Steve Wyborney www.stevewyborney.com

  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. 53 objects Steve Wyborney

  6. Esti - Mysteries Mystery #1 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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