Math reference for kids ages 7+ Make learning fun--anywhere, anytime--with Carson Dellosa's Be Clever Wherever Break It Down Addition & Subtraction Strategies Reference Book! Math Books are a great way for second and third grade students to learn step-by-step strategies to help strengthen their understanding of basic math problems and skills. Why You'll Love This 2nd and 3rd Grade Math Reference Book Step-By-Step Instructions With Engaging Visuals. Step-by-step instructions and examples as well as vibrant visuals help students, teachers, and parents understand math basics such as using a number line, decomposing and regrouping numbers, and more. Understand the math every step of the way. This math book explains the what, why, and how for each math strategy your second grade or third grade student learns.Practically sized for on-the-go fun! The math book measures about 8 1/4" x 10 3/4" to practice essential addition and subtraction skills from just about anywhere! About Carson Dellosa Founded by two teachers more than 45 years ago, Carson Dellosa believes that education is everywhere and is passionate about making products that inspire life's learning moments. This Addition & Subtraction Reference Book Contains: 16 vibrant pages with step-by-step instructions and illustrationsPerfectly sized at about 8 1/4" x 10 3/4