Addition Gizmo is an effective app to help kids develop basic math addition skills. This app is not a game, there is no winning, losing or high scores, but rather its a simple yet effective tool for learning basic math addition. The app consist of a 9 x 9 grid of addition buttons. Press and hold down on any button and you see the results of that addition problem. That's it! To make it a little bit more challenging, the option exist to randomize the board.
Have your child play with this app a few minutes here and there and you should hopefully see an overall improvement in their math addition skills.