Prep
The teaching background behind the whole curriculum. All of it is free, no card needed.
Free course
Math Success Foundations Masterclass
Seven lessons on how children actually learn number.
Free, no card needed.
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Free series
Coaching Natalie
Watch and listen as 5th grade teacher, Natalie, works with DMTI coaches Jackie and Jonathan to level-up her math instruction and leadership.
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August 25
3:30pm MDT, 45 minutes
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August 25, 3:30pm MDT, 45 minutes. Bring your questions, a DMTI specialist answers live.
DMT Insights
All 46 are free to read and print. No account needed.
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DMT Insights
Teaching Area and Perimeter
This DMT Insight explains why students persistently confuse area and perimeter and shows how intentionally teaching dimensions, units, and tools leads to lasting understanding.
Geometry / Measurement / Data (3-5)
Measurement
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DMT Insights
Why Measurement Matters: The Building Blocks of Math
The research underscores the critical role of measurement as a foundational concept in developing students’ mathematical understanding.
Measurement
Measurement (K-2)
Tutorials in the full portal
75 short videos on the models and the language, one per topic teachers get stuck on.