Printable subtraction practice where subtraction facts up to 20 and every problem stays positive (no negative answers). Recommended for Grade 1–2.
Each worksheet subtracts a smaller number from a larger one, both drawn from 1–20, so subtraction facts up to 20. This matches the Grade 1–2 range in most math curricula. Set the number of problems and pages below, then download a print-ready PDF with a matching answer key.