14 teams? Too many! Learn how to regroup 14 teams of ten into 1 team of a hundred, with 4 teams of ten remaining.  We include the Show It! base PowerPoint, for you to customise for your class, from Lesson 4 in a teaching unit looking at column addition with regrouping. In lesson 2, we use dienes to help us understand the column addition of HTO numbers regrouping in the tens.

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*Please note- The lesson slides were created and designed to be used in Microsoft PowerPoint for Microsoft 365. Certain functionalities may be different or lost if opened using different software or versions and we can take no responsibility*