Calculator Soup
Calculator Soup: Descriptive Statistics Calculator
This is a statistics calculator; enter a data set and hit calculate. Descriptive statistics summarize certain aspects of a data set or a population using numeric calculations. Examples of descriptive statistics include: mean, average,...
BioEd Online
Bio Ed Online: Calculating Coronary Artery Disease Risk
This lesson focuses on coronary heart disease and heart attacks. Learners will learn about risk factors, how to decrease one's risk, and why it is important. They look at three fictitious patients and assess their risk levels. Lesson and...
Calculator Soup
Calculator Soup: Scientific Notation Converter
Convert a number to and from scientific notation, e notation, engineering notation, and real numbers. Enter a number or a decimal number or scientific notation and the calculator converts to scientific notation, e notation, and...
Science Struck
Science Struck: The Internet's Scientific and Technical References
Discusses how to find scientific and technical reference materials online, e.g., the periodic table and formulas, and some advantages of online resources over print.
Illustrative Mathematics
Illustrative Mathematics: 8.ee Ant and Elephant
In this problem comparing the mass of an ant to that of an elephant, 8th graders are contrasting a very small quantity with a very large quantity. They need to convert between grams and metric tons so as to work with the same units, and...
Encyclopedia of Earth
Encyclopedia of Earth: Physics & Chemistry: Mass
Defines inertial and gravitational mass, their scientific history, formulas used in their calculation, the definition of weight, units used for mass, and mass as perceived in the theory of special relativity.