Play, study, win. Using three mathematical operations (addition, subtraction and multiplication) choose the correct combination of them for numbers in the pyramid, to receive the specified number. Pyramids are available for you in three different sizes (with basis 3, 4 and 5). For each of them in ranked mode you can compete for a place in leaderboard. iTunes link: http://itunes.apple.com/us/app/mathpyramid/id1046360278
