Glow Math & Logic · Lesson 01
Read the whole-number scale
Use endpoints and interval size to locate a target. Explore a model, explain the relationship, and try it with physical materials.
Number Line TrailsDiscover
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Grade 1 Number Line Trails lessons
Ten Grade 1 lesson drafts for exploring number line trails 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
One interval on either side
Identify neighboring values on a fixed scale. Explore a model, explain the relationship, and try it with physical materials.
Number Line TrailsDiscover
PDF · Paid classroomGlow Math & Logic · Lesson 03
Compare without counting again
Use relative position to compare consecutive values. Explore a model, explain the relationship, and try it with physical materials.
Number Line TrailsDiscover
PDF · Paid classroomGlow Math & Logic · Lesson 04
Halfway along a longer line
Relate the midpoint of a 0-to-20 line to equal distances. Explore a model, explain the relationship, and try it with physical materials.
Number Line TrailsConnect
PDF · Paid classroomGlow Math & Logic · Lesson 05
Correct the tick-counting error
Explain why a location is measured in intervals. Explore a model, explain the relationship, and try it with physical materials.
Number Line TrailsConnect
PDF · Paid classroomGlow Math & Logic · Lesson 06
Find the distance, not the endpoint
Distinguish position from the difference between positions. Explore a model, explain the relationship, and try it with physical materials.
Number Line TrailsConnect
PDF · Paid classroomGlow Math & Logic · Lesson 07
Act out subtraction on a trail
Represent a return movement and its remaining distance. Explore a model, explain the relationship, and try it with physical materials.
Number Line TrailsConnect
PDF · Paid classroomGlow Math & Logic · Lesson 08
Two checks for one location
Use complementary distances as evidence for a placement. Explore a model, explain the relationship, and try it with physical materials.
Number Line TrailsStretch
PDF · Paid classroomGlow Math & Logic · Lesson 09
A half has a place
Connect equal halves with a midpoint as supported enrichment. Explore a model, explain the relationship, and try it with physical materials.
Number Line TrailsStretch
PDF · Paid classroomGlow Math & Logic · Lesson 10
The trip back ends here
Explain subtraction on a line with larger endpoints. Explore a model, explain the relationship, and try it with physical materials.
Number Line TrailsStretch
PDF · Paid classroom