Place Value
Units and unit relationships, base-ten structure, composing and decomposing, magnitude
4 insights
Number Line vs the 100's Chart
This DMT Insight compares the effectiveness of number lines and 100s charts as teaching tools and highlights the benefits of...
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Newsletter
Building Place Value Proficiency: Key Insights from Educational Studies
Research highlights the critical role of visual representations in developing students’ conceptual understanding of place value.
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Video
Newsletter
Rethinking Powers of Ten
This DMT Insight synthesizes key insights on teaching powers of 10, emphasizing its foundational role in mathematics education,...
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Video
Newsletter
Number Lines Should Be Built
This DMT Insight shows how letting students build number lines—not just use them—strengthens their structural understanding by...
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Video
Newsletter