(Note: I have kept this resource for posterity, but please use the 'GCSE Counting Strategies' resource instead)
(a) Appreciate that if different selections are independent, each with a number of choices, then the total number of combinations is the product of these.
(b) Understand and use factorial function.
(c) Understand and use 'choose' function.
(d) Solve a variety of arrangement problems.
Activity in which students have to count the total number of possible paths for a robot given certain restrictions on its movements, in order to work out probabilities.
Counting by (a) systematic listing and (b) by multiplying. Part of the new GCSE specification.