Esti-Mystery: Calculating the Number of Dominoes in Containers

 
“3 Containers of Dominoes”
 
www.stevewyborney.com
 
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.
What is the total number
of dominoes?
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 greater than 60.
Clue #2
The answer does not include
the digit 6 or 8.
Clue #3
One of the containers is holding an odd
number, and two containers are holding an
even number.
Is the total even or odd?
Clue #4
This clue will help you determine whether
or not the total is a multiple of 5:
The two larger containers are holding the
same number.  The container in the middle
is holding half that number.
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
38 dominoes
19 dominoes
The number of dominoes in
each of the larger containers
The number of dominoes in
the smaller container
95 dominoes
The Reveal
Click to see the answer.
How many dominoes are in each container?
www.stevewyborney.com
Steve Wyborney
 
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Splat! Lessons
 
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Number Sense
& Rich Math Talk
 
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Estimation Clipboard
Sets
 
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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
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In this Esti-Mystery activity by Steve Wyborney, participants are challenged to estimate the total number of dominoes in three containers based on a series of clues. By making educated guesses and using the provided information, they narrow down the possibilities until they arrive at a final estimate. The activity encourages critical thinking, estimation skills, and logical reasoning.


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  1. 3 Containers of Dominoes Steve Wyborney www.stevewyborney.com

  2. What is the total number of dominoes? 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. 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. Steve Wyborney www.stevewyborney.com

  3. Clue #2 Clue #1 Clue #1 Clue #2 the digit 6 or 8. The answer does not include The answer is greater than 60. Clue #4 Clue #3 This clue will help you determine whether or not the total is a multiple of 5: The two larger containers are holding the same number. The container in the middle is holding half that number. One of the containers is holding an odd number, and two containers are holding an Clue #3 even number. Is the total even or odd? Clue #4 Steve Wyborney www.stevewyborney.com

  4. 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

  5. How many dominoes are in each container? The number of dominoes in 38 dominoes each of the larger containers The Reveal 95 dominoes Click to see the answer. The number of dominoes in 19 dominoes the smaller container Steve Wyborney www.stevewyborney.com

  6. 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

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