CCSS 1.OA.5 Worksheets
CCSS 1.OA.5 (Common Core, 1st Grade): "Relate counting to addition and subtraction (e.g., by counting on 2 to add 2)." The worksheets below practice this standard. Each one is a free printable PDF with an answer key, comes in multiple versions, and can also be assigned digitally - no login or account needed.
