Adding Two-digit Numbers

In Rotating Maths Groups today, with Teacher you will be working on NA10 – written strategies for addition.

When you need to add two digit numbers, sometimes you have to regroup to bridge ten.   This activity shows you how, using MABs.

ADDITION DEMONSTRATION

Now you should be able to use this  (and remember our Cheat Sheet) or Tens Frames to solve any addition problems.   😆