GRADE 4 • ADDITION AND SUBTRACTION • REGROUPING
New numbers.
The same thoughtful lesson.
Build a coordinated 40-minute lesson on renaming numbers without changing their value.
Generated locally, with no AI call. One focused lesson family: four-digit addition with exchanges and subtraction through two zeros. Other grades, topics, lesson lengths, and free-text prompts are not supported in this pilot.
1 / CREATE YOUR SET
Keep the teaching. Change the numbers.
Worked examples, diagrams, practice, and the teacher key are computed together from the same number profile.
2 / REVIEW YOUR FOUR RESOURCES
Your lesson set
See the numbers used in this set
Teacher edition — includes worked solutions and the answer key. Keep separate from student resources.
The preview scales to fit your screen. Open the full-size preview for closer reading. Print uses every page of the selected resource, not just the page shown.
One lesson. Four distinct jobs.
Notice, model, connect, practice, and check.
Guided work, independent transfer, and reasoning.
40-minute route, worked models, key, and next steps.
An individual check of computation and conservation.