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Why parents can't do maths today 5 Jul 2011 | 08:36 pm
Long division and long multiplication have been replaced in schools by chunking and gridding. While the new methods are meant to make maths easier, parents have been left scratching their heads,...
Why parents can't do maths today 5 Jul 2011 | 04:36 pm
Long division and long multiplication have been replaced in schools by chunking and gridding. While the new methods are meant to make maths easier, parents have been left scratching their heads,...
2 Grade Math Facts Secret Codes Actvities 22 Jun 2011 | 04:30 pm
When it comes to those basic math facts, there's nothing like practice, practice, practice. But making them interesting is quite another matter. Here's an irresistible activity you can use with...
Patriots vs. Redcoats: An Outdoor Social Studies Game 22 Jun 2011 | 04:30 pm
This outdoor game, a modification of "Capture the Flag", uses ball, baskets, and foam to re-enact the fight between the Redcoats and the Patriots in Massachusetts in 1775.Can your foam-armed...
Create a Two-Sided Opposites Painting 22 Jun 2011 | 04:27 pm
Create a colorful painting—twice! Transform a single sheet of card stock into a double-sided painting of opposites: on one side, a bright daytime landscape, on the other, a dusky evening scene. Not...
2 Grade Math Facts Secret Codes Actvities 22 Jun 2011 | 12:30 pm
When it comes to those basic math facts, there's nothing like practice, practice, practice. But making them interesting is quite another matter. Here's an irresistible activity you can use with...
Patriots vs. Redcoats: An Outdoor Social Studies Game 22 Jun 2011 | 12:30 pm
This outdoor game, a modification of "Capture the Flag", uses ball, baskets, and foam to re-enact the fight between the Redcoats and the Patriots in Massachusetts in 1775.Can your foam-armed...
Create a Two-Sided Opposites Painting 22 Jun 2011 | 12:27 pm
Create a colorful painting—twice! Transform a single sheet of card stock into a double-sided painting of opposites: on one side, a bright daytime landscape, on the other, a dusky evening scene. Not...
42nd IMO 2001 shortlisted problems and solutions 14 Feb 2011 | 02:24 am
Algebra A1. Let T be the set of all triples (a, b, c) where a, b, c are non-negative integers. Find all real-valued functions f on T such that f(a, b, c) = 0 if any of a, b, c are zero and f(a, b,...
41st IMO 2000 shortlisted problems and solutions 13 Feb 2011 | 10:24 pm
Algebra A2. a, b, c are positive integers such that b > 2a, c > 2b. Show that there is a real k such that the fractional parts of ka, kb, kc all exceed 1/3 and do not exceed 2/3. ...
