Operation - Identity - Associative - Commutative - Distributive - Closure - Inverse - Equality. An operation works to change numbers. (The word operate comes from Latin operari, to work.) There are six operations in arithmetic that work on numbers: addition, subtraction, multiplication, division, raising to powers, and taking roots.
The climate is milder in spring making it a good time to visit the Scottish Borders. There can be some great sunny days mixed with cooler and wet weather. Spring is a good time to visit the Scottish Borders if visitors prefer the weather mild to warm and offers an alternative to visiting in peak summer. From March to May the average daytime temperatures are between 8Â°C and 15Â°C.
The windiest areas of Scotland are in the north and west; parts of the Western Isles, Orkney and Shetland have over 30 days with gale force winds per year. Vigorous Atlantic depressions, also known as European windstorms, are a common feature in the autumn and winter in Scotland.