Saturday, November 22, 2014
but without being taught its relationship to geometry as shown above. B squared is not just a number multiplied by itself but represents a shape.
In accounting, facility in the addition, subtraction and application of numbers is important. That is one side of math. In engineering, facility with shape is important. That is the side of mathematics that we tend to ignore in school but that can be applied in wood shop.
When I was taught the Pythagorean theorem, it was presented in a purely numeric form, completely divorced from the concept so well illustrated both above and below. Squared and cubed numbers as well as their roots were left dead for me, just as they are too often left for dead in today's math.
Froebel's gift number 5 as used to represent the Pythagorean theorem is shown below.
Make, fix and create...