Repeated subtraction back to zero
Account for every removed group in a backward trail. Explore a model, explain the relationship, and try it with physical materials.
450 lesson drafts and nine original starter guides. Explore number relationships, fractions, sorting, patterns, shapes, and more. Try three complete free sample lessons. A paid adult account opens all teaching guides, printable PDFs, and learning tools.
Choose by readiness and prior teaching. Grade labels are starting points. How to choose a starting point
Showing 193–204
Account for every removed group in a backward trail. Explore a model, explain the relationship, and try it with physical materials.
Connect a running total to the number and size of groups. Explore a model, explain the relationship, and try it with physical materials.
Extend a multiplication pattern using the equal increment. Explore a model, explain the relationship, and try it with physical materials.
Use equal spacing to justify an internal multiple. Explore a model, explain the relationship, and try it with physical materials.
Identify and explain a broken multiplicative pattern. Explore a model, explain the relationship, and try it with physical materials.
Explain why an added single object changes parity. Explore a model, explain the relationship, and try it with physical materials.
Separate a chart's layout pattern from the arithmetic rule. Explore a model, explain the relationship, and try it with physical materials.
Connect bundles, repeated addition, and multiplication. Explore a model, explain the relationship, and try it with physical materials.
Interpret division as finding an unknown group count. Explore a model, explain the relationship, and try it with physical materials.
Justify equal products using paired jumps. Explore a model, explain the relationship, and try it with physical materials.
Connect repeated subtraction with the original equal-group product. Explore a model, explain the relationship, and try it with physical materials.
Count equal groups of two and connect the count to equal jumps.