This fits your. Make sure this fits by entering your model number. MOTIVATE LITTLE LEARNERS! Master addition, subtraction, multiplication, division, fractions, decimals, and percentages with MathShark! Each skill has eight different levels and timed games, so kids are continually motivated to better their scores. EASY TO USE: Simply read the question on the screen and punch in the answer—MathShark provides immediate feedback, and even provides additional clues if you need them! A crystal-clear LCD screen displays problems horizontally and vertically! 2-IN-1 tool! Math Shark also converts to a full-function calculator! Grows with your child, supporting years of classroom learning. BEST SELLER: Way more fun than flash cards, this best-selling electronic game makes kids want to master math facts! REQUIRES 2 AA batteries (not included).