This amazing all-in-one resource covers everything students need to know to get over any math hump, including fractions, decimals, and how to multiply and divide them; ratios, proportions, and percentages; geometry; statistics and probability; expressions and equations; and the coordinate plane and functions. It's all here! The Big Fat Notebook series is built on a simple and irresistible idea, borrowing the notes from the smartest kid in class. Inside this hefty homework helper, readers will find key math concepts easily condensed and summarized, critical ideas highlighted in neon colours, definitions explained, and lots of fun doodles that illuminate tricky concepts. There are special mnemonics for memorable shortcuts, and even quizzes to recap it all.