Times Table Galaxy is a fun and effective system for practicing multiplication facts in timed and competitive settings. The app supports both development of skill at skip counting and improvement in speed and memorization of multiplication combinations 2 x 2 to 12 x 12.
Monkey Party Learn Algebra makes an entertaining and valuable introduction to basic early algebra concepts, including balancing equations, combining like terms, using negative numbers, multiplying with fractions, and introducing the concept of graphing lines based on equations.
Smart-EZE is a great app with lots of educational lessons and reviews for children grades 1-5. With Math, English, & Reading Comprehension review options, this app is perfect for practice any time of year.