The larger the island of knowledge, the longer of the shoreline of wonder.
Challenging Math Olympiad Discussions (4)
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Math Problem of the MonthFebruary 2009: Jack has fewer than 40 marbles in a bag. If he splits up the marbles among his 4 friends, he'll have 3 left over. If he div… Started by Kid JLatest Reply |
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Math Problem of the MonthFebruary 2009: Jack has fewer than 40 marbles in a bag. If he splits up the marbles among his 4 friends, he'll have 3 left over. If he div… Started by Kid J |
7 |
Apr 15 Reply by Kid A |
Boy's Book - Games for the MindsHow to Read Someone's Mind Ask a friend to pick a number between 1 and 5. Ask them to multiply that number by 9. Ask them to add the digit… Started by Kid J |
2 |
Mar 21 Reply by Kid J |
My Greek Hero: Harry MarkospolosThe "Math Man" who knew Bernie Madoff's fraud 8 years ago. He used only 5 minutes to know the problem, then used a few more hours to devel… Started by Kid A |
0 | Mar 6 |
Math Olympiad4A. 3 minutes What number is 3/4 of the way from -11 to -3? Many kids like to draw a line and mark the numbers for visual number counting.… Started by Kid J |
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Oct. 24, 2008 Reply by Kid J |
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