Fact Fluency: Addition to 20

Let’s see how well you know your addition facts! In this inviting worksheet, students will need to solve 18 addition sentences with one- and two-digit addends and sums within 20. 

Use this worksheet as a warm-up, alongside an addition lesson, or as a speed test to assess students’ ability to recall simple addition facts quickly. Designed for first and second graders, this worksheet can help improve students’ addition fact fluency and automaticity—both important skills that will be useful in students daily lives and in their continued math education. 

Want more addition worksheets? Try Math Maze: Addition to 20, Addition to 20: Under the Sea, and Addition Adventures to 20.