Practice and learn algebra skills. equals(me) Pre-Algebra practice gives exciting and challenging entertainment while improving ones mind skills. Using Study-Try-Compare techniques, equals(me) teaches math and algebra concepts. Just study the steps in solving, try for yourself, and compare results. You can also try to solve and then compare your solution with the solution provided. This packet includes simplifying, PEMDAS, scientific notation, and factoring. For school, studies, or to just have fun. Level: Beginner.