Esti-Mystery - How Many Rocks Are in the Glass?
“Rocky Glass, Level 1”
Important Note:
If you can see this box, then the slide show is
not playing and the reveal won’t work.
Here is the solution:
If you are using PowerPoint, click on Slide
Show, then click on From Current Slide.
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then Present.
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Steve Wyborney
As the clues appear, use the
information to narrow the
possibilities to a smaller set. After
each clue, use estimation again to
determine which of the remaining
answers is the most reasonable.
How many rocks are in the glass?
Write down your first estimate.
After each clue, you’ll see if your
estimate is still a possibility. After
each clue, if it is no longer possible
write down a new estimate – and
be prepared to explain why you
chose it.
www.stevewyborney.com
Steve Wyborney
Clue #1
Clue #2
Clue #3
Clue #4
Clue #1
The answer is less than 50.
Clue #2
The answer includes the digit 8.
Clue #3
The answer does not
include the digit 1.
Clue #4
The answer does not
include the digit 3.
www.stevewyborney.com
Steve Wyborney
After seeing the clues, you have
narrowed the possibilities to a
small set of numbers. Before you
see the answer, select your final
estimate. Write it down, and
explain to someone why you chose
that number.
www.stevewyborney.com
Steve Wyborney
28 rocks
The Reveal
Click to see the answer.
www.stevewyborney.com
Steve Wyborney
Important Note:
If you can see this box, then the slide show is
not playing and the reveal won’t work.
Here is the solution:
If you are using PowerPoint, click on Slide
Show, then click on From Current Slide.
If you are using Google Slides, click on View
then Present.
The Maze
Hundreds Chart
The Original
50 Splat! Lessons
The Original
20 Fraction
Splat! Lessons
The Original
80 Cube Conversations
Lessons
More Free, Downloadable Resources From Blog Posts
20 Days of
Number Sense
& Rich Math Talk
The Original 40
Estimation Clipboard
Sets
This is
the course
I’ve designed to teach you how to create
The Esti-Mystery Creator Course
your own Esti-Mysteries that are tailored for your class.
Click
here
to download more free Esti-Mysteries.
51 Esti-Mysteries
The Esti-Mystery challenge involves deducing the number of rocks in a glass based on given clues. Starting with an estimate, clues help narrow down possibilities until a final estimate can be made. In this case, clues hint at the number being less than 50, including the digit 8 but not 1 or 3. The reveal shows that there are 28 rocks in the glass, showcasing the power of estimation and deduction in problem-solving.
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Presentation Transcript
Rocky Glass, Level 1 Important Note: If you can see this box, then the slide show is not playing and the reveal won t work. Here is the solution: If you are using PowerPoint, click on Slide Show, then click on From Current Slide. If you are using Google Slides, click on View then Present. Steve Wyborney www.stevewyborney.com
How many rocks are in the glass? As the clues appear, use the information to narrow the possibilities to a smaller set. After each clue, use estimation again to determine which of the remaining answers is the most reasonable. Write down your first estimate. After each clue, you ll see if your estimate is still a possibility. After each clue, if it is no longer possible write down a new estimate and be prepared to explain why you chose it. Steve Wyborney www.stevewyborney.com
Clue #1 Clue #1 The answer is less than 50. Clue #2 Clue #2 The answer includes the digit 8. Clue #3 Clue #3 The answer does not include the digit 1. Clue #4 Clue #4 The answer does not include the digit 3. Steve Wyborney www.stevewyborney.com
After seeing the clues, you have narrowed the possibilities to a small set of numbers. Before you see the answer, select your final estimate. Write it down, and explain to someone why you chose that number. Steve Wyborney www.stevewyborney.com
The Reveal 28 rocks Click to see the answer. Important Note: If you can see this box, then the slide show is not playing and the reveal won t work. Here is the solution: If you are using PowerPoint, click on Slide Show, then click on From Current Slide. If you are using Google Slides, click on View then Present. Steve Wyborney www.stevewyborney.com
51 Esti-Mysteries Click here to download more free Esti-Mysteries. C:\Users\Steve Wyborney\Desktop\Picture5.png The Esti-Mystery Creator Course This is the course I ve designed to teach you how to create your own Esti-Mysteries that are tailored for your class. More Free, Downloadable Resources From Blog Posts C:\Users\Steve Wyborney\Desktop\Maze Pic.jpg C:\Users\Steve Wyborney\Desktop\20 Days Title Pic.jpg C:\Users\Steve Wyborney\Desktop\Presentation1.jpg C:\Users\Steve Wyborney\Desktop\SPLAT blog post folder\Splat Promo Images and GIFs\Splat Level 3 B.jpg C:\Users\Steve Wyborney\Desktop\Splat Promos HUGE SET\Slide6.JPG C:\Users\Steve Wyborney\Desktop\8.8.2018 Desktop\Estimation Clipboard Desktop Materials\Bundle 1 Glasses Pic.jpg 20 Days of Number Sense Rich Math Talk 20 Days of Number Sense & Rich Math Talk The Original 50 Splat! Lessons The Maze Hundreds Chart The Original 20 Fraction Splat! Lessons The Original 80 Cube Conversations Lessons The Original 40 Estimation Clipboard Sets
