Looking for a fun interactive teaching idea for adding four two digit numbers? Well look no further as 2 Digit Addition Game Puzzles Adding Four Two Digit Numbers, for CCSS 2.NBT.6, will serve as an exciting lesson plan for 2nd Grade elementary school classrooms. This is a great resource to incorporate into your unit as a guided math center rotation, review game exercise, small group work, morning work, remediation, intervention or rti. It can also be used as a quiz, drill, test, or assessment t