Math Worksheets and Study Guides Third Grade. Estimation

The resources above correspond to the standards listed below:

Colorado Standards

CO.3.1. Number Sense, Properties, and Operations
3.1.1. The whole number system describes place value relationships and forms the foundation for efficient algorithms. Students can:
3.1.1.a. Use place value and properties of operations to perform multi-digit arithmetic. (CCSS: 3.NBT)
3.1.1.a.i. Use place value to round whole numbers to the nearest 10 or 100. (CCSS: 3.NBT.1)
3.1.3. Multiplication and division are inverse operations and can be modeled in a variety of ways. Students can:
3.1.3.d. Solve problems involving the four operations, and identify and explain patterns in arithmetic. (CCSS: 3.OA)
3.1.3.d.iii. Assess the reasonableness of answers using mental computation and estimation strategies including rounding. (CCSS: 3.OA.8)

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