Addition Facts: Sums within 20.
In these First Grade math worksheets, students practice addition facts with sums less than 20.
Have a look at this video if you need to revise how to revise the math facts to 20.
Click on the following worksheet to get a printable pdf document.
Scroll down the page for more Addition Facts to 20 Worksheets.
Try the free Mathway calculator and
problem solver below to practice various math topics. Try the given examples, or type in your own
problem and check your answer with the step-by-step explanations.
We welcome your feedback, comments and questions about this site or page. Please submit your feedback or enquiries via our Feedback page.