Our video presentation of More or Less: add & subtr by Marbotic\r<br>\r<br>For full review, rating and download links click here: \r<br>\r<br>iPad only: \r<br>\r<br>About the app:\r<br>\r<br>Addition/subtrion price with virtual beads (numbers up to 20).\r<br>\r<br>The app covers: understanding, adding or subtring quantities, working with complements, missing number operations. \r<br>\r<br>In the video we are showing you the addition game (level 2 and 3).\r<br>\r<br>Age range: 4+\r<br>Original Appysmarts Score: 84/100\r<br>Platform: iPad\r<br>\r<br>More from Appysmarts: \r<br>\r<br>Web: \r<br>\r<br>Get updates and free app alerts on @appysmarts on Twitter \r<br>\r<br>\r<br>Every day our See Before You Buy videos help thousands of parents and educators around the world to choose the best apps for their kids.\r<br>\r<br>New app videos every day! Subscribe:
