Glow Math & Logic · Lesson 09
A table tells the same story
Connect sorting regions with paired yes/no decisions. Explore a model, explain the relationship, and try it with physical materials.
Sorting StudioStretch
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Glow Math & Logic · Lesson 10
Try to disprove a claim
Find a concrete counterexample to an overgeneralization. Explore a model, explain the relationship, and try it with physical materials.
Sorting StudioStretch
PDF · Paid classroomGlow 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.
Sorting StudioDiscover
PDF · Paid classroomGlow 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.
Sorting StudioDiscover
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.
Sorting StudioDiscover
PDF · Paid classroomGlow Math & Logic · Lesson 04
Neither needs two reasons
Justify an exclusion with two failed conditions. Explore a model, explain the relationship, and try it with physical materials.
Sorting StudioConnect
PDF · Paid classroomGlow Math & Logic · Lesson 05
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.
Sorting StudioConnect
PDF · Paid classroomGlow Math & Logic · Lesson 06
Read quantities from the sort
Distinguish regional counts from whole-set counts. Explore a model, explain the relationship, and try it with physical materials.
Sorting StudioConnect
PDF · Paid classroomGlow Math & Logic · Lesson 07
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.
Sorting StudioConnect
PDF · Paid classroomGlow Math & Logic · Lesson 08
Repair and explain
Identify the precise condition violated by a misplaced tile. Explore a model, explain the relationship, and try it with physical materials.
Sorting StudioStretch
PDF · Paid classroomGlow Math & Logic · Lesson 09
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.
Sorting StudioStretch
PDF · Paid classroomGlow Math & Logic · Lesson 10
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.
Sorting StudioStretch
PDF · Paid classroom