Two games to work with students on adding and subtracting 2-digit and 3-digit numbers, both with and without regrouping.
Spin a Number: Students spin two numbers and either add or subtract determining whether or not they need regrouping.
Monster Line: My version of 5 In A Row, students roll two number cubes and add or subtract the numbers shown (depending on the version you're using) to find the answers on their card.
*4 Spin a Number Sentence Boards
*16 Monster Line (5 in a row) Boards - 4 variations each for adding and subtracting.
*1 Sheet of Monster Markers
*4 Number Cubes