3 out of 3
Can you see how to build a harmonic triangle? Can you work out the next two rows?
3 out of 3
Can you find an efficent way to mix paints in any ratio?
3 out of 3
If a sum invested gains 10% each year how long before it has doubled its value?
3 out of 3
A plastic funnel is used to pour liquids through narrow apertures. What shape funnel would use the least amount of plastic to manufacture for any specific volume ?
3 out of 3
What is the same and what is different about these circle questions? What connections can you make?
3 out of 3
Explore the relationships between different paper sizes.
1 out of 3
What do you get when you raise a quadratic to the power of a quadratic?
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?
