The Little Green Math Book helps readers build essential math and numeracy skills and is suitable for the everyday student, test-prep candidate, or working professional in need of a refresher course. The book's four chapters include: (1) Basic Numeracy Ingredients, (2) Wonderful Math Recipes, (3) Favorite Numeracy Dishes, and (4) Special Math Garnishments. Thirty principles of math highlight common themes among different types of problems and each problem is rated according to a three-tier system - one chili (mild), two chilies (hot), and three chilies (very hot).