A Little Light Thinking
Here is a machine with four coloured lights. Can you make two lights switch on at once? Three lights? All four lights?
This is part of ourĀ Secondary Curriculum collection of favourite rich tasks arranged by topic.
Here is a machine with four coloured lights. Can you make two lights switch on at once? Three lights? All four lights?
Some students have been working out the number of strands needed for different sizes of cable. Can you make sense of their solutions?
Can you see how this picture illustrates the formula for the sum of the first six cube numbers?
Imagine a large cube made from small red cubes being dropped into a pot of yellow paint. How many of the small cubes will have yellow paint on their faces?
Use the animation to help you work out how many lines are needed to draw mystic roses of different sizes.
Jo made a cube from some smaller cubes, painted some of the faces of the large cube, and then took it apart again. 45 small cubes had no paint on them at all. How many small cubes did Jo use?