The document is an integer review worksheet containing 18 math problems involving addition, subtraction, multiplication, and division of integers. Students are asked to solve problems like 5 + (-7), (-3) + (-2), (-4) – 3, and -8 – (-1) without using a calculator. They must also solve more complex problems involving variables like 15. 5x + 2x – 4x and 17. (-3xy) – 4xy + 5xy. The worksheet provides practice with basic integer operations and introduces variables to solve multi-step integer expressions.