OAS 2.A.2.3 Worksheets

OAS 2.A.2.3 (Oklahoma, 2nd Grade): "Apply the commutative property, identity property, and number sense to find values for unknowns that make addition and subtraction number sentences true or false." 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.