Addition and Subtraction Fluency Within 20

Master simple addition and subtraction facts with this inviting math worksheet! Learners will be presented with over 20 problems to solve. These problems gradually increase in difficulty and include addition with sums up to 20 and subtraction with minuends up to 20. 

Designed for first and second graders, this worksheet is a good choice for giving students practice with basic addition and subtraction facts. Learners can work on building their addition and subtraction fact fluency and automaticity, which will support them as they move on to more difficult addition and subtraction problems. 

Check out more mixed addition/subtraction practice with the Flash Facts series starting with Flash Facts: Add and Subtract 3.