Frugal Fun for Boys and Girls - This Lego game is great for teaching simple addition by regrouping! LINK: https://frugalfun4boys.com/lego-addition-with-regrouping/ | Facebook
LEGO Addition and Subtraction - Playdough To Plato
How to Teach Addition & Subtraction with LEGO Bricks
Addition with Regrouping with LEGO Bricks - Frugal Fun For Boys and Girls
How to Teach Addition & Subtraction with LEGO Bricks