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Math Worksheets
Lessons for First Grade
Free Printable Worksheets
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.
Addition Facts to 20 Worksheet #1
(Answers on the second page.)
Addition Facts to 20 Worksheet #2
(Answers on the second page.)
Addition Facts to 20 Worksheet #1 (Interactive)
Addition Facts to 20 Worksheet #2 (Interactive)
Addition Facts to 20 Worksheet #3 (Interactive)
Number Bonds 5
Number Bonds 6
Number Bonds 7
Number Bonds 8
Number Bonds 9
Number Bonds 10
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