xtraMath Kid Trainer

xtramath prodigy is a free mobile game that helps students master addition, subtraction, multiplication, and division. helps students transition from counting or calculating the basic math facts to recalling them. Quickly recalling math facts, instead of calculating them, frees up mental resources for higher-level operations. a quiz or practice that takes about two minutes. Each session consists of three or so activities. students must answer a problem correctly within a three-second threshold for the answer to be considered recalled rather than counted or calculated. Correct answers within the threshold get a smiley face. Correct answers beyond the threshold get a green checkmark. In alternative programs the threshold can be increased to six seconds, or decreased to two or one and a half seconds.