Math Mammoth Grade 2-B Worktext is the student book for the latter half of grade 2 mathematics studies. It covers three-digit numbers, measuring, regrouping in addition and subtraction, counting coins, and an introduction to multiplication. The -worktext- means it contains both the instruction (-text-) and the exercises for the student (-work-). This curriculum meets and exceeds the Common Core Standards. This is the full-color version; in other words, the inside pages are in full color. Please note this book does not contain an answer key.