In a puzzle type format, these ten tasks ask you to complete the equations by adding the arithmetic symbols which will make it work. There is no method which will work every time. You will just have to play. Lots need brackets, and some even need factorials. For Six Ones - the ultimate task - you may use any symbols known to mathematics!

The Order of Operations rules are quoted here - just click anywhere on this sentence!

No Symbols, Just Twos and Threes

No Symbols, Just Fours, Fives and Sixes

No Symbols, Just Sevens, Eights and Nines

Growing, Growing, Grown

Shrink Wrapt

Doubling Up

Add the Symbols

Squaring Up

Extended Tasks

All Fours

Six Ones

Bibliography. A list of the books which have served to inspire tasks within the EUMY Mathematics set.

Acknowledgements. The author would like to acknowledge the invaluable assistance of her mathematical models who appear throughout these tasks:

Epsilon-pi and Smidgin Ubiquitous

We call them Epsi and Smidge!