Addition — Grade 1 — Numbers 1–20
Free printable addition worksheets for grade 1 focused on numbers 1–20. Randomized problems; optional answer key. PDF.
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Customize & Download PDFAbout Addition — Grade 1 — Numbers 1–20
Level-2 programmatic page: same generator as our Grade 1 addition presets, with SEO copy targeting “facts and sums within 20.” Set number range in the Addition Worksheets tool to match 1–20 before printing.
More Addition Worksheets Options
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