The Perforated Cube
A cube is made from smaller cubes, 5 by 5 by 5, then some of those cubes are removed. Can you make the specified shapes, and what is the most and least number of cubes required ?
A cube is made from smaller cubes, 5 by 5 by 5, then some of those cubes are removed. Can you make the specified shapes, and what is the most and least number of cubes required ?
If a number N is expressed in binary by using only 'ones,' what can you say about its square (in binary)?
Kevin has moved some tiles to change the shape of his patio from a square to a rectangle. What are the lengths of the sides of the rectangle?
In this activity, there are lots of different patterns for children to make, describe and extend.
A task which depends on members of the group working collaboratively to reach a single goal.