Mathematics - Integers - Adding and subtracting integers - Integer Elevator

An elevator starts at floor 0. Cards show operations: +3, -5, +7, -2, etc. The student must reach a target floor by selecting the right sequence of cards. For example: 'Reach floor -4 from floor 3' using available cards: -7, +2, -3, -4. Multiple solutions possible. 10 levels. Floor indicators show n