Learn to write procedures and build them into Logo programs. Learn to use variables.
Write a Logo program, putting in variables, and see the effect when you change the variables.
A geometry lab crafted in a functional programming language. Ported
to Flash from the original java at web.comlab.ox.ac.uk/geomlab
A child's box of bricks contains cubes, cones and spheres. Two cones and a sphere on one side of a pair of scales will just balance a cube on the other side;
and a sphere and a cube together will just balance three cones.
How many spheres will just balance a single cone?
If you liked this problem, here is an NRICH task which challenges you to use similar mathematical ideas.
This problem is taken from the UKMT Mathematical Challenges.