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Rationals Between...

What fractions can you find between the square roots of 65 and 67?

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F'arc'tion

At the corner of the cube circular arcs are drawn and the area enclosed shaded. What fraction of the surface area of the cube is shaded? Try working out the answer without recourse to pencil and paper.

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Canny Fraction

Weekly Problem 4 - 2012
What fraction of the volume of this can is filled with lemonade?

Stretching Fractions

Age 14 to 16 Challenge Level:

A discussion about this problem can be found here .