A set of five addition worksheets, each with 40 problems. This is a beginner worksheet. For any given problem, the sum does not exceed 20. This worksheet is ideal for classroom lessons on addition, math centers, or as a take-home assignment to reinforce learning. It's also a great tool for tutors or parents looking to support their children's math education.If you like this worksheet, we have a worksheet generator that can generate infinite worksheet variations for addition, subtraction, multipl