Monthly Archives: November 2006

Lattice Multiplication

Lattice multiplication was introduced to Europe in 1202 in Fibonacci’s Liber Abaci. It is a method of multiplying large numbers using a grid. This method breaks the multiplication process into smaller steps, which some students find easier. Digits to be … Continue reading

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Surgical Wonders

The trials of losing an arm. A golfer was involved in a terrible car crash and was rushed to the hospital.Just before he was put under, the surgeon popped in to see him. “I have some good news and some … Continue reading

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Manure In the 16th and 17th centuries, everything had to be transported by ship and it was also before commercial fertilizer’s invention, so large shipments of manure were common. It was shipped dry, because in dry form it weighed a … Continue reading

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