Wednesday, May 31, 2017
Tuesday, May 30, 2017
Can this shape tile the plane? ( P6 tessellation )
Can copies of the purple region on the right be arranged to cover the plane without gaps or overlaps?
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Monday, May 29, 2017
Sunday, May 28, 2017
pseudo-PSLE-t-score calculator (2018p5ca2)
Pseudo-PSLE t-score Calculator
Sunday, May 21, 2017
Fwd: Chang, which region is larger?
A right trapezoid is partitioned into 4 triangles by its diagonals, as shown below:
Problems of the Week
May 15 - May 21
Basic Intermediate Advanced A right trapezoid is partitioned into 4 triangles by its diagonals, as shown above.
Which colored region is larger?
Solve
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Friday, May 19, 2017
Tuesday, May 16, 2017
Fwd: The answer to this is not what you might expect!
If the solid cube has edge length 2, then what is the shortest distance that an ant can walk from corner A to corner B?
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Saturday, May 13, 2017
Monday, May 8, 2017
Friday, May 5, 2017
Tuesday, May 2, 2017
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