Glow Math & Logic · Lesson 03
State a sufficient description
Give a description that uniquely identifies the overlap tile. Explore a model, explain the relationship, and try it with physical materials.
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Make a model.
Find a connection.
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Glow Math & Logic · Lesson 04
Negate both conditions
Distinguish neither condition from not both conditions. Explore a model, explain the relationship, and try it with physical materials.
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PDF · Paid classroomGlow Math & Logic · Lesson 05
Prove all nine placements
Construct an exhaustive argument covering every available tile. Explore a model, explain the relationship, and try it with physical materials.
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PDF · Paid classroomGlow Math & Logic · Lesson 06
Count overlapping sets carefully
Explain why adding complete set counts double-counts the overlap. Explore a model, explain the relationship, and try it with physical materials.
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PDF · Paid classroomGlow Math & Logic · Lesson 07
Invariants when a rule changes
Identify changed memberships and unchanged region counts. Explore a model, explain the relationship, and try it with physical materials.
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PDF · Paid classroomGlow Math & Logic · Lesson 08
An apparently plausible mistake
Analyze how a true attribute can support an incorrect region choice. Explore a model, explain the relationship, and try it with physical materials.
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PDF · Paid classroomGlow Math & Logic · Lesson 09
Two-way tables as a proof tool
Use paired decisions to organize a complete classification argument. Explore a model, explain the relationship, and try it with physical materials.
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PDF · Paid classroomGlow Math & Logic · Lesson 10
Universal claims and counterexamples
Construct and test a universal statement using the finite tile set. Explore a model, explain the relationship, and try it with physical materials.
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PDF · Paid classroomGlow Math & Logic · Starter guide
One rule, two rules, neither
Classify a piece using two independent attributes and explain the overlap.
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PDF · Paid classroomGlow Math & Logic · Lesson 01
Make a pair at a time
Connect each small pair with a growing collection. Explore a model, explain the relationship, and try it with physical materials.
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PDF · Paid classroomGlow Math & Logic · Lesson 02
One more pair arrives
Predict the effect of adding one equal group. Explore a model, explain the relationship, and try it with physical materials.
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PDF · Paid classroomGlow Math & Logic · Lesson 03
The hidden pair total
Recover a missing running total by recounting objects. Explore a model, explain the relationship, and try it with physical materials.
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PDF · Paid classroom