Glow Math & Logic · Lesson 01
Describe the rectangular collection
Interpret both dimensions and count the whole set. Explore a model, explain the relationship, and try it with physical materials.
Equal GroupsDiscover
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Grade 1 Equal Groups lessons
Ten Grade 1 lesson drafts for exploring equal groups 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
Why equal groups matter
Justify equal-addend reasoning from equal group sizes. Explore a model, explain the relationship, and try it with physical materials.
Equal GroupsDiscover
PDF · Paid classroomGlow Math & Logic · Lesson 03
Turn the rows into columns
Explain an invariant total under a turned array. Explore a model, explain the relationship, and try it with physical materials.
Equal GroupsDiscover
PDF · Paid classroomGlow Math & Logic · Lesson 04
Another row, another addend
Connect adding a row with adding its group size. Explore a model, explain the relationship, and try it with physical materials.
Equal GroupsConnect
PDF · Paid classroomGlow Math & Logic · Lesson 05
An extra item in every row
Track a change distributed across every group. Explore a model, explain the relationship, and try it with physical materials.
Equal GroupsConnect
PDF · Paid classroomGlow Math & Logic · Lesson 06
Write the repeated sum
Match one addend to each visible row. Explore a model, explain the relationship, and try it with physical materials.
Equal GroupsConnect
PDF · Paid classroomGlow Math & Logic · Lesson 07
How many in each share?
Solve an equal-sharing problem with a known number of groups. Explore a model, explain the relationship, and try it with physical materials.
Equal GroupsConnect
PDF · Paid classroomGlow Math & Logic · Lesson 08
How many groups can we make?
Solve a grouping problem with a known group size. Explore a model, explain the relationship, and try it with physical materials.
Equal GroupsStretch
PDF · Paid classroomGlow Math & Logic · Lesson 09
Split the picture, keep the whole
Partition an array in a drawing and recombine its parts. Explore a model, explain the relationship, and try it with physical materials.
Equal GroupsStretch
PDF · Paid classroomGlow Math & Logic · Lesson 10
Explain an incorrect total
Critique addition of dimension labels as a counting method. Explore a model, explain the relationship, and try it with physical materials.
Equal GroupsStretch
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