Practice your subtraction skills and track your progress. In Quiz Time - Subtract, success is measured! Identify areas of opportunity and mastery by reviewing historical performance. Need more practice? Flashcard mode allows you to improve your skill level before your next quiz.
- Two modes of play: Quiz Mode and Flashcard Mode
- Play in Quiz Mode to track your progress in accuracy (Score) and speed (Correct Answers per Minute)
- Play in Flashcard Mode to practice without keeping score
- Choose from 10 to 100 problems per game
- Choose a range of values from -999 to 999 for each factor.
- Allow negative answers as skill progresses.