Math Mammoth Grade 2-B International Version is the student worktext (in full color) for the second half of grade 2 and part of the Math Mammoth Grade 2 complete curriculum. This book covers three-digit numbers measuring regrouping in addition and subtraction money (using Australian money) and the introduction to multiplication. The rest of the topics for 2nd grade are covered in the student book 2-A. Please note: this is a student worktext and does not contain the answers. The answer key book is available separately.Being a worktext the book contains both the necessary instruction and the problems and exercises (the 'text' and the 'work'; thus a "worktext") and is for the most part self-teaching.Some main features of Math Mammoth complete curriculum (Light Blue series) are: focuses on conceptual understanding; uses lots of visual models and pattern exercises; mastery-oriented focusing at length on a topic; emphasizes mental maths and number sense requires little preparation from the teacher. This curriculum is essentially the same as the US version of Math Mammoth Grade 2 only customised for the international audience in these aspects: The currency used in the money chapters in grades 1-3 is the Australian dollar. The curriculum teaches the metric measurement units. Imperial units such as inches and pounds are not used. The spelling conforms to British international standards (British English). Page (paper) size is A4. The other parts of Math Mammoth International Version Grade 2 curriculum are: grade 2-A student worktext grade 2 answer keys and grade 2 tests and cumulative revisions.