Math Whiz plays like a video game and teaches like electronic flash cards! This portable ELA quizzes kids on addition, subtraction, multiplication or division AND works as a full-function calculator with the switch of a button! Problems are displayed on the LCD screen with eight skill levels as well as lights and sounds for instant feedback. Two AAA batteries required (not included). Press Challenge for a numbers elimination game. As random numbers scroll from left to right, keep pressing numbers that add up to 10 or 20 to eliminate them from the screen.Key Features : Learn math in a flash! This portable game quizzes kids on addition, subtraction, multiplication, and division! Screen clearly displays each problem horizontally and provides immediate feedbackFeatures eight skill levels, as well as lights and sounds for instant feedback2-in-1 Tool! Math Whiz also converts to a full-function calculator!