Tag: Number Sense
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Leaping Numbers Season 3
The wildly popular Leaping Numbers is back! Season 3 begins on February 2, 2026! See the schedule below to find out when all of the videos will be released! What…
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125 New Esti-Mysteries
125 New Esti-Mysteries
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Leaping Numbers Season 1
Leaping Numbers is back! You might remember a Leaping Numbers event in February of 2024 that culminated on Leap Day. This is something new! Introducing: Leaping Numbers Seasons! This is…
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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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170 New Esti-Mysteries
This school year, I’ll be creating and posting 170 brand new Esti-Mysteries. I’ll be posting a new one nearly every day for the rest of the school year – just…
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The 3-Container Estimation Routine
The 3-Container Estimation Routine is a clear and simple routine that invites students to estimate and discuss their ideas. This school year, I’ll be adding new sets of 3-Container Estimation…
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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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New Estimation Clipboards
To date, I’ve created over 150 estimation clipboards – and I’m going to create more to share this year. They are very fun and easy to use – and your…
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New Esti-Mysteries and Number Sense Resources Every Day for the Rest of the School Year
Hi, friends. I know this is really challenging and we are all exhausted. This post is my way of providing support and encouragement – as well as bringing math joy…
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51 Esti-Mysteries
51 Brand New Esti-Mysteries! 4 Challenge Levels! All New Images! If you’ve used the Esti-Mysteries from the original Esti-Mysteries blog post, or the 15 additional Esti-Mysteries that I wrote for 20…

