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 Scottish weather can be changeable and is often very localised. This means that you may well have a morning of rain and an afternoon of sunshine - and that the weather may be quite different 10 miles away in the next valley. Remember this when getting a forecast. Cool days in summer: 10 - 15 C (50 - 60 F). Warm days in summer: 21 - 27 C (70 - 80 F)