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Rounding and Estimating before calculating with a Calculator
For this rounding worksheet, students solve six problem sets concerned with rounding and estimating. Students first estimate what the answer should be and then carry out the calculations using a calculator. Solutions are provided.
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New Review When 95% Accurate Isn’t
Investigate the effect of false positives on probability calculation with an activity that asks scholars to collect simulated data generated by a calculator. To finish, participants analyze the probability of certain outcomes which lead...
9th - 12th Math CCSS: Designed
Next Generation Spacecraft—Orion
What is the cross-sectional area of the Orion spacecraft? Groups work together to estimate the area of a cross section of the Orion spacecraft by first counting the number of grids a scale drawing covers. Pupils also employ a method...
9th - 12th Math CCSS: Adaptable