1 out of 3
What is the same and what is different about these tiling patterns and how do they contribute to the floor as a whole?
3 out of 3
How can you use just one weighing to find out which box contains the lighter ten coins out of the ten boxes?
2 out of 3
Investigate the successive areas of light blue in these diagrams.
2 out of 3
How many right angles can you make using two sticks?
3 out of 3
I throw three dice and get 5, 3 and 2. Add the scores on the three dice. What do you get? Now multiply the scores. What do you notice?
2 out of 3
Use this grid to shade the numbers in the way described. Which numbers do you have left? Do you know what they are called?
3 out of 3
The graph below is an oblique coordinate system based on 60 degree angles. It was drawn on isometric paper. What kinds of triangles do these points form?
3 out of 3
Using 3 rods of integer lengths, none longer than 10 units and not using any rod more than once, you can measure all the lengths in whole units from 1 to 10 units. How many ways can you do this?
1 out of 3
This shape comprises four semi-circles. What is the relationship between the area of the shaded region and the area of the circle on AB as diameter?
