Glow Math & Logic · Lesson 01
Two tests for a color match
Justify which color matches belong outside the intersection. Explore a model, explain the relationship, and try it with physical materials.
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Grade 1 Sorting Studio lessons
Ten Grade 1 lesson drafts for exploring sorting studio through models, conversation, and hands-on practice. Try three complete free sample lessons. A paid adult account opens all teaching guides, printable PDFs, and learning tools.
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Glow Math & Logic · Lesson 02
Two tests for a shape match
Explain why similar shapes can occupy different regions. Explore a model, explain the relationship, and try it with physical materials.
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PDF · Paid classroomGlow Math & Logic · Lesson 03
Both means both
State the two necessary conditions for the overlap. Explore a model, explain the relationship, and try it with physical materials.
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Neither needs two reasons
Justify an exclusion with two failed conditions. Explore a model, explain the relationship, and try it with physical materials.
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A complete classification
Explain one placement in every region and check all nine. Explore a model, explain the relationship, and try it with physical materials.
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Read quantities from the sort
Distinguish regional counts from whole-set counts. Explore a model, explain the relationship, and try it with physical materials.
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Only one rule changes
Predict membership changes while holding the other rule fixed. Explore a model, explain the relationship, and try it with physical materials.
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Repair and explain
Identify the precise condition violated by a misplaced tile. Explore a model, explain the relationship, and try it with physical materials.
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From regions to a table
Translate all memberships to a two-way table. Explore a model, explain the relationship, and try it with physical materials.
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A claim and its counterexample
Separate a true intersection claim from an unsupported universal claim. Explore a model, explain the relationship, and try it with physical materials.
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