Printable Subtraction Facts to 20 Worksheets
Printable subtraction facts to 20 worksheets for 1st and 2nd grade, with an answer key on every sheet. The sets below cover 5 different skills, so you can start where your child actually is. Available as speed drills, word problems, and visual guides.
Targeted Practice by Skill
About Subtraction Facts to 20
What this skill is
Subtraction facts to 20 covers mental subtraction for minuends up to 20, developing fast recall using strategies like think-addition and back-through-ten.
When children learn it
Subtraction facts to 20 are mastered in 1st and 2nd grade, aligned to Common Core standard 2.OA.B.2.
Teaching Tips
- Use think-addition: for 14 - 6, ask what plus 6 equals 14.
- Run 2-minute daily speed drills to build automatic recall.
Common Mistakes
- Slow finger counting when solving facts crossing 10 (like 14 - 6 = 8).
- Confusing addition facts with subtraction facts.
More Subtraction Concepts
Subtraction SentencesSubtraction Within 10Subtraction with Number LinesSubtracting Whole Tens and HundredsTwo-Digit SubtractionSubtracting from Whole Tens, Hundreds and ThousandsSubtraction Word ProblemsMissing Minuend and SubtrahendMental SubtractionThree-Digit Subtraction4-Digit SubtractionSubtracting Large Numbers