This resource involves addition and subtraction between 0 and 30 plus deduction skills in order to solve the puzzles. When the correct number is selected and dragged and dropped into the blank box and submitted, the task card then displays a green circle for a correct answer or a red circle with a line for incorrect answers. This provides instant feedback to your students. When the answer is correct, the next task card appears automatically. The task cards are not randomized, so the task cards c