Short, clear notes for the subjects students study most, with practice questions at the end of each unit.
Algebra
Linear equations, inequalities, functions, systems and quadratics.
Geometry
Angles, triangles, similarity, the Pythagorean theorem, area and volume.
Biology
Cells, genetics, evolution, ecology and the human body.
Chemistry
Atoms, the periodic table, bonding, reactions and the mole.
English
Reading comprehension, essay structure, grammar and vocabulary.
History
World and U.S. history timelines, key events and primary sources.