Workplace Skills Practice Workbook, Levels C/d, Applied Mathematics, 10-Pack, ISBN 0079020348, ISBN-13 9780079020345, Like New Used, Free shipping in the US The Workplace Skills series provides skills students need to increase employability and career mobility in today’s workplace. The Applied Mathematics workbook contains mathematical reading, critical thinking, and problem-solving skills. They are sold in a 10-pack and are by level.