Math Playground has hundreds of interactive math word problems for kids in grades Solve problems with Thinking Blocks, Jake and Astro, IQ and more. Model your word problems, draw a picture, and organize information!
Hydracoach calculates the amount of water you need to drink each day based on your weight. As you drink, it lets you know how much is left for that day to lose weight. i already drink a lot of water but would be great to keep track.