Pupils assign values to letters in order to gain the highest total for a set of questions. 4 rounds. Give the students time to assign values to each letter then in pairs they substitute their numbers into the expressions. The highest total wins. The pupil with the most wins in a round is the victor. They could then make up own round if they finish. Set up in excel , arranged to print easily onto one sheet landscape.
Set of instructions for 6 tables. The pupils rotate the table activities spending a set time on each table. Covers significant figures, error bounds, mental methods, written calculations. Add your own exam questions for one of the tables.