Four bags contain a large number of 1s, 3s, 5s and 7s. Can you pick ten numbers from the bags so that their total is 37?
Jennifer Piggott and Steve Hewson write about an area of teaching and learning mathematics that has been engaging their interest recently. As they explain, the word 'trick' can be applied to mathematical activity in many ways.
The second of three articles on the History of Trigonometry.
Explore the meaning of the scalar and vector cross products and see how the two are related.
Can all unit fractions be written as the sum of two unit fractions?
In the café, your ice cream selection can't include a combination that someone else has chosen. What could these seven children have chosen?
A serious but easily readable discussion of proof in mathematics with some amusing stories and some interesting examples.
Can you find the connections between linear and quadratic patterns?
What does this number mean? Which order of 1, 2, 3 and 4 makes the highest value? Which makes the lowest?
Can you work out the fraction of the original triangle that is covered by the inner triangle?
