Basic Operations: Number Types Study Guide Natural Numbers (a.k.a. Counting Numbers) Thinking of natural numbers, we can transport ourselves back to simpler times. Don't Pay for Technology: 25 Freebies for Students Jun 29, 2009 In today's economic climate, paying for technology isn't prudent, and for some students, it isn't even an option. Fortunately, there are plenty of freebies on the web that can help with document creation, research, writing, storage, collaboration, studying and more.
Phi 1.618 ΓΈ PHI: The Golden Ratio or Golden Section (In Nature, Art, Science and Religion) The Golden Section is a unique Ratio (or relationship between parts) that seems to be preferred by Nature as the best geometry for growth, energy conservation, elegance and has some fundamental relationships to the platonic solids and the Mandelbrot set. It was formally discovered by the Greeks and incorporated into their art and architecture, but it has been shown to occur even in prehistoric art, possibly as a function of Man's natural affinity for it's beauty. The rectangle at left has a vertical edge length of 1 the horizontal or width of the rectangle is 1.618 If we make a line inside and form a square (far left) it creates another 'golden rectangle' (at right) this subdivision continues inward in a spiral fashion tracing the form of a perfect PHI spiral seen in galaxies, seashells ....
s Guide Interactive Math Resources Interactive Math Websites, Math Websites for Interactive Whiteboards Interactive Math Websites for Interactive Whiteboards Manipulatives National Library of Virtual Manipulatives Virtual manipulatives related to the NCTM standards. This site has a lot of resources. Base block addition and subtraction is great for teaching regrouping. Free fraction videos online Enjoy free online math videos on these fraction topics: (Fraction videos, part 2, are on this page.) The videos are recorded in high-density (HD) and are viewable both here as well as at my Youtube channel.
Dimensions Home A film for a wide audience! Nine chapters, two hours of maths, that take you gradually up to the fourth dimension. Mathematical vertigo guaranteed! Background information on every chapter: see "Details". Click on the image on the left to watch the trailer ! Federal Resources for Educational Excellence FREE Features These features originally appeared on the FREE.ED.gov features blog. The features highlight resources and ideas related to holidays, awareness months, anniversaries and seasonal topics. January February
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