Hot Air Balloon Subtraction 3 Digit by 3 Digit Regrouping Race uses 36 task cards and is perfect for your math center, to play the game "Scoot" or "Quiz, Quiz Trade", for early finishers, etc. Land on a hot air balloon you get to go again. There is an optional game board, recording sheet, and answer sheet. There are two sets of the same 36 math problems. The 2nd set includes a line drawn between the tens and the ones for students who need that support. If laminated students can write on them w