Welcome to Singapore Maththe leading math program in the world This workbook features math practice and activities for fourth grade students based on the Singapore Math method. An introduction at the front of each book explains Singapore Math and its common problem types. Each unit has learning objectives, which clearly define the skills to be learned in that section, and an answer key with step-by-step worked out solutions that help students see how to work the problems. This book is perfect for students familiar with Singapore Math and for those who just need extra math practice --Many students struggle with word problems because they typically involve two or more mathematical concepts and require reading, comprehension, and analytical skills to determine the solution. To help overcome this struggle, these Singapore Math workbooks focus on diagrams, number bonds, the "counting on" method, and the "crossing out" method to help students master challenging word problems as well as exercise mental calculation. Perfect as a supplement to classroom work or as a homeschool resource, this series will boost confidence in problem-solving and critical-thinking skills."