To build a solid understanding of more advanced math -- like algebra, geometry, trigonometry, and calculus -- teens need engaging activities that allow for self-paced learning and give them plenty of practice. These solid apps and websites are appropriate for a range of ages and let high school kids pace their learning through high-quality tutorials and resources, along with engaging practice activities. Some of our picks are great for kids of all ages; a couple of the titles listed below can be introduced to younger kids but can also age up to teens 13-17.
Cool math tool is great for visualizing 3-D shapes.
Detailed math videos and practice -- from simple to complex.
Excellent tutorials on math, humanities, and more, for free.
Storehouse of data answers kids' questions -- if specific.
Rearrange and solve polynomials for deep understanding.
Clever study materials for teens merge humor and learning.