Help your child build fast, confident mental math with clear worked examples, clever decimal and multiplication tricks, and targeted practice problems designed for 6th–8th graders. Practical, and packed with step-by-step solutions. About this book Play with Decimals is a compact, practice-first algebra workbook that focuses on decimals, basic algebraic manipulation, powers, roots, and mental-math shortcuts . Each short lesson introduces a concept (e.g., multiplying decimals, distributive strategies) , shows worked examples, then provides carefully graded exercises and answer keys so students can check their work and learn from mistakes. The book also includes special sections on exponent rules, scientific notation, and factoring identities — all presented with classroom-tested tricks to speed calculation and build fluency. What you’ll find: Short, clear lessons with immediate practice questions - Mental-math tricks - Progressive exercises : quick skills → application → mixed review → answers - Chapters on basic operations, rational numbers, algebraic expressions, square roots, exponents & scientific notation, plus an appendix with solutions Who this book is for & how to use it Designed for middle-school learners (6th–8th grade) who need stronger number sense or faster calculation skills. It’s also a great resource for parents who want short homework packets or focused revision sheets. How to use: Read the short example and review the method - Try the matching exercises - Use the answer section to self-check and review errors immediately - Repeat chapters where speed or fluency is weaker and apply the mental-math tricks to build shortcuts and confidence