Friday's Fact

What is the sum of the numbers (integers) from 1 through 100? Quick…don’t use Excel or a calculator. Think about it and see the pattern. There is a VERY easy way to do it. A 5 year old can and did in seconds. You can too, if you see the pattern.

Last week’s fact: Modern earth moving equipment make extremely accurate cuts in the ground…how is this possible? Modern equipment tracks position data from satellites, lasers and other integrated topographical information to make exact cuts in the ground. (More)