【實用教育app】Quiz Time - Subtract|最夯免費app-綠色工廠好玩App

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. Features: - 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.