Category: Teaching and Learning
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The Esti-Mystery Student Experience
When you use an Esti-Mystery in your classroom, your students will have a very rich learning experience. This blog post – and video – will detail the student experience during…
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110 New Esti-Mysteries
I’ll be posting 110 New Esti-Mysteries this school year. If you are subscribed to the blog, I’ll let you know each time a new one is posted. Leaping Numbers Season…
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Multiplication Facts and Concepts Videos
Learning multiplication facts – AND CONCEPTS – is very important. Many students would like to have more opportunities to learn both facts and concepts – and most importantly to see…
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100 New Esti-Mysteries
This school year I’m creating and sharing 100 new Esti-Mysteries. You can download your copies by using blue download links below. I hope these bring joy and rich math talk…
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Video: How to Draw a 3D Number 2 (bonus challenges included!)
Are you looking for an activity for 2.22.2022? Here is a video for you. It shows how to draw a 3-dimensional number 2. Of course, that is just the beginning. …
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150 New Esti-Mysteries
This school year, I’m creating 150 brand new Esti-Mysteries. I’ll be posting a new one nearly every day for the rest of the school year – just like last year. …
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The Multiplication Course by Steve Wyborney
The Multiplication Course by Steve Wyborney is finished and completely ready! It is a highly interactive multiplication course – on YouTube – with 156 short videos. They are completely…
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FREE e-Book: Top 20 Teaching Tips for 2020
At the beginning of every calendar year, I write something new for the education community. In 2017, I wrote Splat! (It took me until nearly the middle of February to…
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The Estimation Clipboard
The Estimation Clipboard is a set of 40 lessons that each include 4 highly similar images. Each image provides an invitation to estimate. Then as new images are introduced, the…


