New Mexico Standards. When you make an estimate, you are making a guess that is approximate. This is often done by rounding.

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Worksheet/Answer keysEstimation

Worksheet/Answer keysEstimation

Worksheet/Answer keysEstimation

Worksheet/Answer keysEstimation

Worksheet/Answer keysEstimation

Worksheet/Answer keysEstimation

NM.N. Number and Operations: Students will understand numerical concepts and mathematical operations.

K-4.N.1. Understand numbers, ways of representing numbers, relationships among numbers, and number systems.

3.N.1.1. Exhibit an understanding of the place-value structure of the base-ten number system by:

3.N.1.1.c. Recognizing the position of a given number in the base-ten number system and its relationship to benchmark numbers such as 10, 50, 100, 500

3.N.1.2. Use whole numbers by using a variety of contexts and models (e.g., exploring the size of 1,000 by skip-counting to 1,000 using hundred charts or strips 10 or 100 centimeters long).

K-4.N.3. Compute fluently and make reasonable estimates.

3.N.3.4. Demonstrate reasonable estimation strategies for measurement, computation, and problem solving.