mathcounts notes
The best math program for middle school students
Wednesday, July 4, 2012
Similar Triangles II
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= = =
Sunday, June 24, 2012
Weird but Delicious Math Questions
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Check out Mathcounts here --the best competition math for middle school mathletes. Problem: (Solution below) #1: 1993 Mathcounts National...
Saturday, June 23, 2012
Mental Math Tricks I
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Multiples of 11: 11 x 14 = 1 ___ 4 , the middle number is (1 + 4) so the answer is 154 Let's try a few calculations mentally. 11 x...
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Saturday, June 16, 2012
Mathcounts strategies: Some sums
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The following sequences are all arithmetic sequences and for any arithmetic sequences, the sum is always average times the terms (how ma...
Monday, June 11, 2012
Painted Cube Problems: Beginning Level
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Please refrain yourself from checking the answers too soon. Use Lego blocks, unit cubes, or Rubik's cubes to help you think. If you are...
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