The Question: What do social security numbers mean? What do the numbers tell you about someone? The Answer: A social security number has three parts, an area…
Prediction by NumbersWeatherPrediction by NumbersRichardson's ExperimentPutting the Machines to Work The seventeenth and eighteenth centuries really began to put weather on the map. In 1600, Galileo…
A cardinal number tells "how many." Cardinal numbers are also known as "counting numbers," because they show quantity. Here are some examples using cardinal numbers:8 puppies14 friends Ordinal…
Multiplying Fractions If your friend has one-quarter of a pie, and she gives you half, how much of the pie do you have? Or, to put it another way, what's half of one-quarter? Or, to put it into…
