Yay! More math help! Math Snacks has animations, mini games, interactive tools and learning guides to help with math concepts for grades 3-8. Topics include ratios, number lines, basic operations, scale, units and more. This is a great resource to help your child grasp a concept that they may be struggling with. They don’t cover everything, but this is great place to look if you need some extra help. For grades 3-8 and free.