Math Worksheets and Study Guides Sixth Grade. Estimation

The resources above cover the following skills:

Number and Operations (NCTM)
Compute fluently and make reasonable estimates.
Select appropriate methods and tools for computing with fractions and decimals from among mental computation, estimation, calculators or computers, and paper and pencil, depending on the situation, and apply the selected methods.
Develop and use strategies to estimate the results of rational-number computations and judge the reasonableness of the results.