First Forward Into Logo 6: Variables and Procedures

Learn to write procedures and build them into Logo programs. Learn to use variables.

First Forward Into Logo 8: More about Variables

Write a Logo program, putting in variables, and see the effect when you change the variables.

Geomlab

A geometry lab crafted in a functional programming language. Ported to Flash from the original java at web.comlab.ox.ac.uk/geomlab

Weighing Scales

Stage: 4 Short Challenge Level:
See all short problems arranged by curriculum topic in the short problems collection

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.