Dating Made Easier
If a sum invested gains 10% each year how long before it has doubled its value?
If a sum invested gains 10% each year how long before it has doubled its value?
What is the same and what is different about these circle questions? What connections can you make?
Change one equation in this pair of simultaneous equations very slightly and there is a big change in the solution. Why?
Starting with two basic vector steps, which destinations can you reach on a vector walk?
Charlie likes to go for walks around a square park, while Alison likes to cut across diagonally. Can you find relationships between the vectors they walk along?
Can you work out which spinners were used to generate the frequency charts?
Join the midpoints of a quadrilateral to get a new quadrilateral. What is special about it?
Quadratic graphs are very familiar, but what patterns can you explore with cubics?
What does this number mean? Which order of 1, 2, 3 and 4 makes the highest value? Which makes the lowest?
10 graphs of experimental data are given. Can you use a spreadsheet to find algebraic graphs which match them closely, and thus discover the formulae most likely to govern the underlying processes?