Grade 1 Numbers and Addition to 20 Printable Worksheets

This worksheet turns simple addition into a fun challenge, helping young learners practice adding numbers up to 20. With fill-in-the-blank and standard equations, kids get to flex their math muscles in different ways. Perfect for building confidence and speed with basic facts—plus, it’s just the right size for a quick math warm-up or a brain break. Who knew adding could feel a bit like solving a puzzle?

(1 page, file size 0.1 MB)