Spectrum Math helps reinforce basic and advanced math skills. Age-appropriate lessons are progressive, building on prior material. Chapters feature pre-tests and post-tests, plus mid-tests and a final test, which help track progress. Concepts covered include counting & writing numbers, adding & subtracting through 10, place value foundations, measurement, 2-D & 3-D shapes. Features a complete answer key. Correlated to current state standards. 96 pages.