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- Being Square and Loving It
- Area of Parallelogram, Triangle, Trapezoid Formulas by Paper Folding
- Area Cirlce Formulas by Paper Folding
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Integration for Areas & Stuff
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math.htm computes areas, distances, perimeters
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area.xls -- computes the areas and perimeters of rectangles, parallelograms, triangles, trapezoids, circles.
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areaf.xls --DIGITAL MANIPULATIVE on a spreadsheet with area formulas for a rectangle, parallelogram, triangle, trapezoid, circle.
- This material is available as a digital manipulative.
- Click on the image to visit:
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MathTokens.Com Tokens for Use in a Digital Age
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Words-
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area,
base,
circle,
closed curve,
cm,
concave,
congruent,
convex,
decagon,
diagonal,
diameter,
dimension,
dodecagon,
endpoint,
equilateral
formula,
height,
heptagon,
hexagon,
hm,
hypotenuse,
inscribed,
isoscele,
leg,
measure,
median ,
nonagon,
ocatgon,
parallel,
parallelogram,
pentagon,
perimeter,
perpendicular,
plane,
polygon,
quadrangle,
quadrilatera ,
radius,
rectangle,
rhombus,
septagon, or heptagon,
side,
square,
trapezoid,
triangle,
two-space,
vertical,
width
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