Summary
Mr. DeMaio shows how to regroup (borrow) when subtracting. A short, high-energy Mr. DeMaio explainer (7 min) — great as a lesson hook, a review at a station, or a quick brain-boost the whole class can watch together.
Viewer safety
All ages
Common Sense Media — not yet ratedIMDb Parents Guide — not yet rated
Our rating is a quick teacher-to-teacher guide — preview before showing.
Teaching resources
Discussion questions
Discussion
Use these after watching “How to Borrow in Subtraction!.”
- What is the most surprising or important thing you learned in this video?
- Where might this come up in real life — shopping, cooking, or keeping score?
- What is one question you still have, and how could you find out the answer?
Quick work-a-long
Vocabulary: multiply, place value, regroup, strategy, practice.
Try it: 1) Practice the skill from “How to Borrow in Subtraction!” with three of your own problems and check your answers. 2) Teach the trick to a partner or someone at home.