Can you create a story that would describe the movement of the man shown on these graphs? Use the interactivity to try out our ideas.
These clocks have only one hand, but can you work out what time they are showing from the information?
Use the interactivity to move Mr Pearson and his dog. Can you move him so that the graph shows a curve?
Experiment with the interactivity of "rolling" regular polygons, and explore how the different positions of the red dot affects the distance it travels at each stage.
Use the clocks to investigate French decimal time in this problem. Can you see how this time system worked?
Experiment with the interactivity of "rolling" regular polygons, and explore how the different positions of the red dot affects its speed at each stage.
Experiment with the interactivity of "rolling" regular polygons, and explore how the different positions of the red dot affects its vertical and horizontal movement at each stage.
Congratulations to all of you who submitted a correct solution. Have a look to see if your name has been mentioned here.
Go to last month's problems to see more solutions.
This article explains how Greenwich Mean Time was established and in fact, why Greenwich in London was chosen as the standard.
A Short introduction to using Logo. This is the first in a twelve part series.
Can you coach your rowing eight to win?