This consumable student workbook is part of the Math in Focus: The Singapore Approach curriculum series. Book 1A, this workbook accompanies Math in Focus' Student Book Grade 1, Part A, and provides opportunities for practice, assessment, and skill-development. Cheery illustrations and easy-to-understand text give kids a fun atmosphere to work in. This book's exercises work on counting to 20, ways to add and subtract, plane and solid shapes, ordinal numbers, position words, and measurement. 262 perforated pages, softcover. Grade 1. Student Book A.