100 Solved Exercises: Adding and Subtracting Signed Numbers

100 solved exercises: adding and subtracting signed numbers — Through practice, not theory!Adding and subtracting positive and negative numbers doesn't have to be confusing. This book is designed to help you feel confident with signed number operations — not through long explanations, but through simple, structured practice.Inside, you'll find 100 hands-on exercises that guide you step by step thr...