How many pairs of numbers can you find that add up to a multiple of 11? Do you notice anything interesting about your results?
Play the divisibility game to create numbers in which the first two digits make a number divisible by 2, the first three digits make a number divisible by 3...
I'm thinking of a number. When my number is divided by 5 the remainder is 4. When my number is divided by 3 the remainder is 2. Can you find my number?
Why does this fold create an angle of sixty degrees?
Are these estimates of physical quantities accurate?
How many generations would link an evolutionist to a very distant ancestor?
Is there a relationship between the coordinates of the endpoints of a line and the number of grid squares it crosses?
Take any prime number greater than 3 , square it and subtract one. Working on the building blocks will help you to explain what is special about your results.
A napkin is folded so that a corner coincides with the midpoint of an opposite edge . Investigate the three triangles formed .
What is the same and what is different about these circle questions? What connections can you make?
Four rods are hinged at their ends to form a convex quadrilateral. Investigate the different shapes that the quadrilateral can take. Be patient this problem may be slow to load.