This book includes answers for the Math Mammoth Grade 6-A and 6-B student worktexts (Light Blue Series), for all the chapter tests and end-of-year test, and for the cumulative reviews for grade 6. This is the 2014-2021 edition; the newer, 2022 edition is also available at Lulu. The other parts of the 6th grade curriculum (the 6-A and 6-B worktexts and the cumulative reviews & tests book) may be purchased separately at Lulu.