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This basic video gives viewers tips on when to regroup.

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- 1. Subtraction with Regrouping By: Kathrina Russell-Stubbs
- 2. Q: What is regrouping? A: Regrouping or burrowing is a word which we use to take ten from one number to give to another. We do this when we do not have enough to subtract two numbers.
- 3. Q: How do you know when to regroup? A: You know its time to regroup when the number you are subtracting is larger than the number which you are subtracting from.
- 4. Here are some examples. 2 5 - 1 8 5 cannot take away 8. So we must burrow from the 2. 1 15
- 5. Here are some examples. 5 1 - 4 9 1 cannot take away 9. So we must burrow from the 5. 4 11
- 6. Let’s Play a Game! Should you regroup? Click Yes or No. Continue
- 7. Should we burrow? Click Yes or No. 6 9 - 5 6 Yes No Help!
- 8. Should we burrow? Click Yes or No. 6 9 - 5 6 Yes No
- 9. Think: 9 – 6. Do you have enough? 9 - 6 Continue
- 10. Correct Continue
- 11. Correct Continue
- 12. Incorrect Continue
- 13. Incorrect Continue
- 14. Should we burrow? Click Yes or No. 4 6 - 1 8 Yes No Help!
- 15. Should we burrow? Click Yes or No. 4 6 - 1 8 Yes No Help!
- 16. Should we burrow? Click Yes or No. 4 6 - 1 8 Yes No Help!
- 17. Should we burrow? Click Yes or No. 4 6 - 1 8 Yes No Help!
- 18. Should we burrow? Click Yes or No. 4 6 - 1 8 Yes No
- 19. Should we burrow? Click Yes or No. 4 6 - 1 8 Yes No
- 20. Should we burrow? Click Yes or No. 4 6 - 1 8 Yes No
- 21. Should we burrow? Click Yes or No. 4 6 - 1 8 Yes No
- 22. Think: 6 – 8. Do you have enough? 6 - 8 Continue
- 23. Think: 6 – 8. Do you have enough? 6 - 8 Continue
- 24. Think: 6 – 8. Do you have enough? 6 - 8 Continue
- 25. Think: 6 – 8. Do you have enough? 6 - 8 Continue
- 26. Correct Continue
- 27. Incorrect Continue
- 28. Correct Continue
- 29. Incorrect Continue
- 30. Correct Continue
- 31. Incorrect Continue
- 32. Correct Continue
- 33. Incorrect
- 34. Let’s Recap! How do we know when to burrow? When the number we are subtracting is larger than the number we are subtracting from. 3 6 - 2 7 ___ 2 16 90
- 35. See you next time!
- 36. Let’s Recap! How do we know when to burrow? When the number we are subtracting is larger than the number we are subtracting from. 3 6 - 2 7 ___ 2 16 90
- 37. See you next time!
- 38. Let’s Recap! How do we know when to burrow? When the number we are subtracting is larger than the number we are subtracting from. 3 6 - 2 7 ___ 2 16 90
- 39. See you next time!
- 40. Let’s Recap! How do we know when to burrow? When the number we are subtracting is larger than the number we are subtracting from. 3 6 - 2 7 ___ 2 16 90
- 41. See you next time!
- 42. Let’s Recap! How do we know when to burrow? When the number we are subtracting is larger than the number we are subtracting from. 3 6 - 2 7 ___ 2 16 90
- 43. See you next time!
- 44. Let’s Recap! How do we know when to burrow? When the number we are subtracting is larger than the number we are subtracting from. 3 6 - 2 7 ___ 2 16 90
- 45. See you next time!

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