Description: When a mermaid seeks his help, Dude has to figure out a way to stop the creature.
Note: This video streams on an HTML5 player. It runs on Chrome, Firefox, Opera, Safari or Internet Explorer 9 or higher. It is also optimized for iOS devices, including iPad, iPod, and iPhone.
Practice addition and subtraction skills in this fun math game. Select from adding, subtracting or both and choose between a range of 10, 20, 100 or 1,000.