Learn math by playing and enjoying it.
You can learn 4 basic arithmetic expressions using the game.
The functionality is only available by subscription.
• After subscription you can play in math game
• Payment will be charged to iTunes Account at confirmation of purchase
• Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period
• Account will be charged for renewal within 24-hours prior to the end of the current period, and identify the cost of the renewal
• Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user’s Account Settings after purchase
• Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication, where applicable
Term of use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/