Math Series is an excellent application for kids (even adults) to have fun with numbers and math. This application is loaded with lot of fun features: - Very simple design. You need to just select the missing number in the series. - You can customize this application to their kids level of expertise. The default setup is to start the kids with simple number series (1's) and after 25 problems (first award), it will advance to next series and so on. If you choose random, the series will be randomly selected. Additional options to setup the maximum start number and ascending or descending options are also provided. - This is a great application to pickup multiplication skills too - Every time they pick the answers they get appreciated with surprises. appreciation (real voice) - Once they identify the correct answers, shaking the phone will take them to the next problem. - After every 5 successive correct answers different colored stars appear as their rewards. Considering the nature of this application preferences could changed based on your child's level. a. Maximum Number could be set to 20 or 50 or 100 b. Problem Type determines if the number series should be in sequences (1's 2's and 3's and so on ) or in random order c. Maximum Series determines the maximum number that could be chosen between the numbers. (This option is valid only if the problem type is random) d. Series Type specifies if the number series should be in the ascending or descending order or both. In the sequential order, after every award (after reaching 5 stars i.e after solving 25 problems), the series will be automatically incremented. Math Series Fun learning tool http://mathseries.anusen.com