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Measurement precision
By Khan Academy
Sal determines which statement is reasonable based on the claim that a car has an estimated gas mileage of 24 miles per gallon.
Significant Digits & Measurements
By GetChemistryHelp
Significant digits (significant figures, sig figs) indicate the precision of a measurement. This lesson explains how to determine the number of significant digits in a measurement. For practice problems and additional chemistry lessons, visit http://www.getchemistryhelp.com.
Addition and subtraction with significant figures | Decimals | Pre-Algebra | Khan Academy
By Khan Academy
This video shows us the rules for adding and subtracting measurements to show our level of accuracy. Note that the rules for addition/subtraction with significant figures are VERY different than the rules for mulitplication/division. Think about which number is the most precise!
What is space and how do we study it? Crash Course Geography #3
By Math and Science
Quality Math And Science Videos that feature step-by-step example problems!
ICTS Big Questions: A Journey into the Quantum Universe with Subir Sachdev
By International Centre for Theoretical Sciences
15 - What is a Logarithm (Log x) Function? (Calculate Logs, Applications, Log Bases)
By Math and Science
Quality Math And Science Videos that feature step-by-step example problems!
2011 Roundtable at Stanford: Redefining K-12 Education in America
By Lumos Learning
October 22, 2011 - Designing an education that truly builds the necessary skills for today's enormously diverse student population is not easy. But it's the key to opportunity for our citizens, economic vitality for our nation, and to assuring the U.S. remains a world leader. There is hope: innovations and innovators that challenge the status quo; research to help us understand how to move the education needle; a virtual army of reformers experimenting with new ways to teach, learn, and run our public schools.