Popova Olga Viktorovna teacher of additional education MOU DOD "House of children's ..."
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Mathematical mosaic Did you know that?
The amazing properties of numbers. 1x1=1 11x11=121 111x111=12321 1111x11=1234321 11111x111=123454321 111111111111=12345654321 11111111111=1234567654321
0 1k 0August 14, 2010 -
Mathematical mosaic Decipher the scientist's name.
Decipher the name and surname of the scientist. The letters of the name are written to the left of...
0 2k 0August 13, 2010 -
Challenges Kaleidoscope of logical problems
Zhukova Z.P. The proposed problem is designed to work with students 2 ...
0 2k 0August 10, 2010 -
Challenges "Table of Ranks" - a logical task
Once representatives of five arms of the troops - sapper, signalman, border guard, tankman.
0 2k 0August 10, 2010 -
Rebuses Rebuses for schoolchildren
Wonderful puzzles in pictures for schoolchildren, try to decipher in a free...
0 3k 0September 9, 2009