Math skills are often top of parents’ lists of things they wish their children would work on over school vacations. Whether you would like for your child to catch up, avoid the summer slide, or get ahead, it can be hard to find an appropriately challenging way to practice. One tool that addresses these challenges is Khan Academy. Khan Academy is a free website with practice problems and instruction. Most of the site’s material covers math and science topics. The site is, howe

There are several widely used systems for ranking the difficulty of children’s books. Each evaluates features of the texts –illustrations, w