OAS 6.N.2.1 (Oklahoma, 6th Grade): "Estimate solutions for integer addition and subtraction of problems in order to assess the reasonableness of results." 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.
Numbers & Operations (N)6.N.2 Read, write, and model whole-number and integer operations to solve problems.6.N.2.1Estimate solutions for integer addition and subtraction of problems in order to assess the reasonableness of results.
