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At the time of writing the hour and minute hands of my clock are at right angles. How long will it be before they are at right angles again?
On a clock the three hands - the second, minute and hour hands - are on the same axis. How often in a 24 hour day will the second hand be parallel to either of the two other hands?
Semi-regular tessellations combine two or more different regular polygons to fill the plane. Can you find all the semi-regular tessellations?
Is it true that any convex hexagon will tessellate if it has a pair of opposite sides that are equal, and three adjacent angles that add up to 360 degrees?
Where will the point stop after it has turned through 30 000 degrees? I took out my calculator and typed 30 000 ÷ 360. How did this help?
Can you use LOGO to create this star pattern made from squares. Only basic LOGO knowledge needed.
Can you use LOGO to create a systematic reproduction of a basic design? An introduction to variables in a familiar setting.