3 out of 3
Use the differences to find the solution to this Sudoku.
1 out of 3
The illustration shows the graphs of fifteen functions. Two of them have equations $y=x^2$ and $y=-(x-4)^2$. Find the equations of all the other graphs.
1 out of 3
Can you work out which spinners were used to generate the frequency charts?
1 out of 3
Watch the video to see how to sum the sequence. Can you adapt the method to sum other sequences?
1 out of 3
Infographics are a powerful way of communicating statistical information. Can you come up with your own?
2 out of 3
Take a triangular number, multiply it by 8 and add 1. What is special about your answer? Can you prove it?
2 out of 3
Find the sum of this series of surds.
2 out of 3
What does this number mean? Which order of 1, 2, 3 and 4 makes the highest value? Which makes the lowest?
2 out of 3
Show that if you add 1 to the product of four consecutive numbers the answer is ALWAYS a perfect square.
1 out of 3
Can you find the distance between the two trees using the information given?
