Looking for a fun interactive teaching idea for subtracting 3 digit numbers? Well look no further as Triple Digit Subtraction with and without Regrouping Task Cards, for CCSS 3.NBT.2, will serve as an exciting lesson plan for 3rd grade elementary school classrooms. This is a great resource to incorporate into your unit as a guided math center rotation, math station, review scoot game exercise, small group work and for an intervention or remediation. It can be also used as a quiz, drill, test, or