Fun Math Activity - Crayon Colors Estimation Challenge
“Crayon Colors”
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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 crayons
are in the container?
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 #5
Clue #1
The answer is greater than 19
and less than 41.
Clue #2
Here is a fun pattern:
20, 22, 24, …
The answer is part of this pattern.
Clue #3
There are 4 colors of crayons.
The answer does not include the digit 4.
Clue #4
Cross off all the numbers that are
between 25 and 37.
Clue #5
The answer has 2 different digits.
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
20 crayons
The Reveal
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.
www.stevewyborney.com
Steve Wyborney
80 Cube Conversations
Lessons
The Original
50 Splat! Lessons
The Original 20 Fraction
Splat! Lessons
More Free, Downloadable Resources From Blog Posts
20 Days of Number Sense
& Rich Math Talk
The Original 40 Estimation
Clipboard Sets
51 Esti-Mysteries
The Multiplication Course (the free course for students and teachers, posted in 2020)
For more information read the blog post about The Multiplication Course
here
.
To view the course on YouTube:
1.
Click
here
to see the chapter playlists on my YouTube channel.
2.
You’ll see all 12 chapters in the course.
3.
Each chapter includes a sequence of lessons for students.
More Estimation Clipboards
(2021-2022)
150 New Esti-Mysteries
Daily Resources Posted in the 2022-2023 School Year
New Materials for 2023-2024
The 3-Container
Estimation Routine
170 New Esti-Mysteries
The Multiplication Advantage!
Ask your school to purchase a copy
for every student in your class.
Learn more here.
The Mystery Number in the Box
60-Second Math Mystery Videos
View the entire playlist here.
How do I subscribe to the mailing list?
Sign Up Here
100 New Esti-Mysteries
New Estimation Clipboards
Dive into an engaging math activity where you need to estimate the number of crayons in a container by analyzing clues provided progressively. Refine your estimation skills and logical thinking as you narrow down the possibilities using the given hints. Sharpen your problem-solving abilities with this interactive crayon colors challenge. Enjoy the thrill of discovery as you uncover the answer at the end!
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Presentation Transcript
Crayon Colors 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 crayons are in the container? 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 and less than 41. The answer is greater than 19 Clue #2 Here is a fun pattern: Clue #2 20, 22, 24, The answer is part of this pattern. Clue #3 Clue #3 There are 4 colors of crayons. The answer does not include the digit 4. Clue #4 Clue #4 Cross off all the numbers that are between 25 and 37. 1 1 1 1 1 1 2 12 12 12 12 2 12 22 32 32 32 32 32 32 2 12 22 22 22 22 22 2 2 2 3 13 23 33 33 33 33 33 33 3 13 23 23 23 23 23 3 13 13 13 13 3 3 3 4 14 14 14 14 4 14 24 34 34 34 34 34 34 4 14 24 24 24 24 24 4 4 4 5 15 25 25 25 25 25 5 15 25 35 35 35 35 35 35 5 15 15 15 15 5 5 5 6 16 26 26 26 26 26 6 16 16 16 16 6 16 26 36 36 36 36 36 36 6 6 6 7 17 27 27 27 27 27 7 17 27 37 37 37 37 37 37 7 17 17 17 17 7 7 7 8 18 28 28 28 28 28 8 18 28 38 38 38 38 38 38 8 18 18 18 18 8 8 8 9 19 19 19 19 9 19 29 39 39 39 39 39 39 9 19 29 29 29 29 29 9 9 9 10 20 20 20 20 10 10 10 10 20 30 30 30 30 30 10 20 30 40 40 40 40 40 40 Clue #5 11 11 11 11 11 21 21 21 21 21 11 21 31 31 31 31 31 31 Clue #5 The answer has 2 different digits. 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 20 crayons 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
New Materials for 2023-2024 The Mystery Number in the Box 60-Second Math Mystery Videos View the entire playlist here. How do I subscribe to the mailing list? Sign Up Here 100 New Esti-Mysteries New Estimation Clipboards Daily Resources Posted in the 2022-2023 School Year The Multiplication Advantage! Ask your school to purchase a copy for every student in your class. Learn more here. More Estimation Clipboards (2021-2022) 150 New Esti-Mysteries The 3-Container Estimation Routine 170 New Esti-Mysteries More Free, Downloadable Resources From Blog Posts C:\Users\Steve Wyborney\Desktop\20 Days Title Pic.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\Presentation1.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 51 Esti-Mysteries The Original 50 Splat! Lessons 20 Days of Number Sense & Rich Math Talk 51 Esti-Mysteries The Original 40 Estimation Clipboard Sets 80 Cube Conversations Lessons The Original 20 Fraction Splat! Lessons The Multiplication Course (the free course for students and teachers, posted in 2020) For more information read the blog post about The Multiplication Course here. To view the course on YouTube: 1. Click here to see the chapter playlists on my YouTube channel. 2. You ll see all 12 chapters in the course. 3. Each chapter includes a sequence of lessons for students.
