Maths item of the month
A list of Maths Items of the Month categorised by GCSE/A level topics can be seen at: Maths Items of the Month Curriculum mapping.
Recent Maths Items of the Month
Are you sure?
What’s the area?
Now read the research: Drawing attention to a lack of attention
A cube is sliced vertically along the line shown in the diagram and the smaller part is thrown away.
The remaining prism is going to be sliced vertically downwards again by a line going through corner D.
Where would the slice have to be to split it into two equal volumes?
This problem is taken from the FMSP GCSE Problem Solving Materials.
50, 60, 70, ... ?
Find the size of the angle α.
2016 is a triangular number.
The first three triangular numbers are: 1, 3, 6. The first three pentagonal numbers are: 1, 5, 12.
The pentagonal numbers 1, 5 and 12 are all one third of a triangular number.
Are all pentagonal numbers one third of a triangular number?