Equal groups and running totals
Explain a trail as accumulated equal addends. Explore a model, explain the relationship, and try it with physical materials.
Ten Grade 2 lesson drafts for exploring skip & glow 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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Explain a trail as accumulated equal addends. Explore a model, explain the relationship, and try it with physical materials.
State a rule that predicts a next total. Explore a model, explain the relationship, and try it with physical materials.
Recover a missing multiple without restarting the whole count. Explore a model, explain the relationship, and try it with physical materials.
Critique a numerical sequence with a local difference check. Explore a model, explain the relationship, and try it with physical materials.
Justify even and odd through complete pairs and a remainder. Explore a model, explain the relationship, and try it with physical materials.
Connect ten-column chart positions with number differences. Explore a model, explain the relationship, and try it with physical materials.
Interpret a product as a count of equal jumps. Explore a model, explain the relationship, and try it with physical materials.
Model an unknown-group problem with a trail. Explore a model, explain the relationship, and try it with physical materials.
Explain an invariant total under regrouping. Explore a model, explain the relationship, and try it with physical materials.
Account for every removed group in a backward trail. Explore a model, explain the relationship, and try it with physical materials.