OAS 4.N.2.3 (Oklahoma, 4th Grade): "Estimate products of 3-digit by 1-digit and 2-digit by 2-digit whole number factors using a variety of strategies (e.g., rounding, front end estimation, adjusting, compatible numbers) to assess reasonableness. Explore larger numbers using technology to investigate patterns." 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)4.N.2 Solve real-world and mathematical problems using multiplication and division.4.N.2.3Estimate products of 3-digit by 1-digit and 2-digit by 2-digit whole number factors using a variety of strategies (e.g., rounding, front end estimation, adjusting, compatible numbers) to assess reasonableness. Explore larger numbers using technology to investigate patterns.
