This fun, mind-building 48-page book is made up of three types of puzzles that focus on addition and subtraction of whole numbers. These puzzles also sharpen students' critical thinking, computational, and algebraic reasoning skills. 1. Balance Math Puzzles require students to analyze balances to deduce the missing value. 2. Inside-Out Math Puzzles require students to reverse their thinking, using the inverse relationships between addition and subtraction and multiplication and division to solve the puzzle. 3. Tic Tac Math Puzzles require students to figure out the correct order to complete all rows, columns, and diagonals.This book's spiraling difficulty is designed to scaffold a student's conceptual understanding of the targeted operations. Teaching suggestions and detailed solutions are included in each book. Try one of these intriguing puzzles–and then try to stop!