Subtraction Facts Practice (within 20)

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How to Use This Printable

Click the download button above to save the PDF to your device, then print it. For best results, use standard letter-size paper (8.5 × 11 inches). Students can work through the 40 problems and check their answers with the key at the bottom of the page. This printable is designed to be clear and readable in both color and black-and-white printing.

Try the Interactive Version

Want to practice subtraction digitally? Try our matching interactive tool — it provides instant feedback and tracks progress.

Subtraction Fact Fluency: Building Confidence

Subtraction fact fluency is just as important as addition fluency, but it often takes longer to develop. That's because subtraction requires thinking about the relationship between numbers in a different direction — and many children initially rely on counting backwards, which is slow and error-prone. This worksheet helps students practice subtraction facts within 20 until they can recall them automatically, freeing up mental resources for more complex math.

Strategies for Subtraction Success

Teach students to use their addition knowledge: if they know 8 + 5 = 13, they also know 13 – 5 = 8. This 'think addition' strategy is far more efficient than counting backwards. Another effective approach is making ten: for 15 – 7, think '15 – 5 = 10, 10 – 2 = 8.' These strategies appear faster with consistent practice on worksheets like this one.

For students who need visual support, pair this worksheet with our Number Line tool or Ten Frame Builder, where they can see subtraction as 'taking away' or 'jumping back.' Track scores over time to show improvement — seeing their own progress is the most powerful motivator for struggling math learners.

Aligned to CCSS.MATH.CONTENT.2.OA.B.2 — fluently add and subtract within 20 using mental strategies.