Zap Zap Math offers a wealth of free math practice at grade levels from K to 6, with even more possibilities available through an annual subscription. Since it’s based on Common Core standards, there’s no doubt that kids will be on the right track to build important skills.
Autism Core Skills is an outstanding app that provides a wealth of effective, targeted, scaffolded practice for students with autism working to master Common Core skills at the preschool through grade 1 levels. It makes good use of research-based best practices for education, and keeps extensive data suitable for managing IEP goals.
Khan Academy’s app provides a comprehensive library of topics and skills that support Common Core goals. It includes a wealth of information particularly on middle school and high school classes, as well as useful topics for college students and adults.
If you want to learn about fractions, head to the tropics, In Fruity Fractions, kids will learn all about fractions, starting with recognizing equal and unequal parts and moving to identifying actual fractions. As they complete activities, kids will unlock portions of an entertaining story featuring tropical birds.
Slice Fractions offers a wordless, hands-on walk through basic fraction concepts such as the meaning of the numerator and denominator, equivalent fractions, and fraction ordering. Players have to solve physics problems by slicing objects and removing barriers to movement at the correct times and places to progress through the game.