SIMPLE SUMS

THESE test your ability to perform calculations using addition, subtraction, multiplication and division.

Some people are naturally better at this kind of thing than others, but everyone should be able to perform simple mathematical challenges into old age, and this is definitely a mental skill you can improve with practice.

Your calculation levels are good if you can keep a running total of the cost of food items as you put them in your shopping basket (without using a calculator). If you find it tricky, try the calculation exercises all next week to boost your skills.