Count the rectangles.
Showing posts with label problem solving. Show all posts
Showing posts with label problem solving. Show all posts
Monday, August 10, 2009
Thursday, April 16, 2009
Wednesday, April 15, 2009
Wednesday, February 18, 2009
5th - 8th grade
Christina scored an average of 76 on her first 4 tests. She wants to get an A- Average on her tests. What grade must she core on the 5th test to increase her average to 90 so that she can earn an A-?
Tuesday, February 17, 2009
3rd - 5th grade
Which number less than 20 can be cut in half the most times without using fractions?
Thursday, February 12, 2009
5th - 9th grade
How many 3-digit numbers are palindromes - the same when read forward or backwards like 828?
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