Stick and Split

Select a mode such as Place Value, Addition, or Subtraction and choose a difficulty level. Read the target number or equation and note the puzzle’s goal. Drag sticks and units to model the number, then split or merge to make tens and ones as needed. Tap Split to break a ten into units or tap Merge to bundle units into a ten for regrouping. Solve the puzzle within the move or time limit to earn stars and unlock new levels and rewards. Use hints, review explanations after each round, and replay levels to improve accuracy and speed.