Basic Subtraction Game

1. You need to decide if this is a Timed or Untimed game. A Timed game needs to have at least 30 seconds.

2. Pick the level you want to play: Level 1: 1 or 2-digit and 1-digit; Level 2: 2-digit and 1-digit, 2 or 3-digit and 2-digit.

3. At the end, you will see a report that summarizes how you did: Time, Question, Right Answer, Wrong Answer, Score (in percent).