Math Mammoth Grade 6-A Worktext, International Version - Paperbackby Miller (Author) Math Mammoth Grade 6 A worktext (International version, 2022 edition) is the student worktext for the first half of grade 6, and part of the Math Mammoth Grade 6 complete curriculum. This book covers a revision of the four operations with whole numbers, beginning algebra concepts, decimal arithmetic, ratios, and percent. The worktext contains both the necessary instruction and the problems and exercises (the 'text' and the 'work';