Glow Math & Logic · Lesson 01
Area is unit coverage
Justify an area measurement through equal square units. Explore a model, explain the relationship, and try it with physical materials.
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Grade 3 Shape Studio lessons
Ten Grade 3 lesson drafts for exploring shape 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
Rigid turns preserve coverage
Explain an area invariant under rotation. Explore a model, explain the relationship, and try it with physical materials.
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PDF · Paid classroomGlow Math & Logic · Lesson 03
Trade pieces, preserve area
Connect decomposition with conservation of square-unit area. Explore a model, explain the relationship, and try it with physical materials.
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PDF · Paid classroomGlow Math & Logic · Lesson 04
Area includes every required cell
Explain why a gap changes an area count. Explore a model, explain the relationship, and try it with physical materials.
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PDF · Paid classroomGlow Math & Logic · Lesson 05
Equivalent decompositions
Justify the same area through multiple piece combinations. Explore a model, explain the relationship, and try it with physical materials.
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PDF · Paid classroomGlow Math & Logic · Lesson 06
Multiplication measures a rectangle
Connect rows and columns of unit squares with a product. Explore a model, explain the relationship, and try it with physical materials.
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PDF · Paid classroomGlow Math & Logic · Lesson 07
Equal area does not fix the outline
Construct and compare different regions with equal area. Explore a model, explain the relationship, and try it with physical materials.
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PDF · Paid classroomGlow Math & Logic · Lesson 08
Prove a reflected location
Use equal distance and unchanged row to justify reflection. Explore a model, explain the relationship, and try it with physical materials.
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PDF · Paid classroomGlow Math & Logic · Lesson 09
An argument for the whole reflection
Verify a compound design through cell-by-cell correspondence. Explore a model, explain the relationship, and try it with physical materials.
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PDF · Paid classroomGlow Math & Logic · Lesson 10
The wrong unit gives the wrong argument
Distinguish counting pieces from measuring unit-square area. Explore a model, explain the relationship, and try it with physical materials.
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