Steve Wyborney's Math Courses/2021-2022 Esti-Mysteries and Estimation Clipboards (posted October 2021-May 2022)

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2021-2022 Esti-Mysteries and Estimation Clipboards (posted October 2021-May 2022)

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140 Esti-Mysteries and 36 Estimation Clipboards are included in this set of downloadable materials. In 1 quick download, you'll have EVERY Esti-Mystery and EVERY Estimation Clipboard that was posted during the 2021-2022 school year (from October 2021-May 2022). Esti-Mysteries are also organized by levels - in separate files - within the zip file you download!

140 Esti-Mysteries and 36 Estimation Clipboards were created during the 2021-22 school year.

This is your chance to get all of them at once!

What is included?

140 Esti-Mysteries!

36 Estimation Clipboards!

Get ALL of them in a single download!

Every Esti-Mystery

AND

Every Estimation Clipboard

that was posted in the 2021-2022 school year!

Are you ready to purchase? Simply click here.

There are 28 Esti-Mysteries in each of 5 levels.

That's 140 Esti-Mysteries!
Now you can get them ALL AT ONCE!

Completely organized by level!


  • Kindergarten Esti-Mysteries have all be organized together!

  • Level 100 (grades 1-2) have all been organized together!

  • Level 200 (grades 1-3) have all been organized together!

  • Level 300 (grades 3-8) have all been organized together!

  • Level 400 (grades 4-12) have all been organized together!

Did you know you can use Esti-Mysteries from more than one level?

For example, 4th grade can use Esti-Mysteries at levels 100, 200, and 300!

For more information, see the chart below.

Every level inludes 28 Esti-Mysteries.

Each grade level can use Esti-Mysteries from multiple levels.

Chart options are embedded in the Esti-Mysteries!

Did you know?

Every Esti-Mystery (grades 1-12) has 3 versions!


1.  The original version of the Esti-Mystery. 

2.  The Embedded Chart version.

3.  The Animated Chart version.


You receive ALL the versions, so you can use the one that works best for you.

The Original, The Embedded Chart, the Animated Chart

The Original Version

This version displays the clues while students write on their own and discuss the clues with each other!

The Embedded Chart Version

The student experience is exactly the same, but there is an added chart for the teacher to write on.

If you want a chart to display - and write on - this is a great option!

The Animated Chart Version

The chart is animated in this version.  After each clue appears, students can read the clue, discuss the ideas, possibly adapt their estimate...

...and then you can click and any number eliminated by that clue will be greyed out on the chart.

This version is a really powerful way to show which numbers are eliminated by which clue.

Every beginning level (Kindergarten) Esti-Mystery has an animated chart.


The chart is built in - and it automatically eliminates numbers after every clue.

You can show the clue and have your students discuss the ideas...

...then click to show which numbers were eliminated by that clue.

Do you recognize this moment?