Adding the number one to numbers – online memory game

Just add one! That is all you have to do in this math memory matching game. Match up the correct question with the correct answer before the timer expires. All questions in this set simply add one to a given value. Each question and answer that you correctly answer will earn you a point. If you move quickly and match as many questions and answers as possible before the time is up, you will be able to set a new high score! Move quickly, because you don’t have much time before the timer expires and the game ends.