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```BASIC CALCULATION SKILLS
What students need to know:
Students should be confident with the items in the chapter’s ‘Before you start...’ section.
Specifically they should:
• know the meanings of the words sum, quotient, product and difference;
SUM: the aggregate of two or more numbers, magnitudes, quantities, or particulars as
determined by or as if by the mathematical process of addition: The sum of 6 and 8 is
14.
A particular aggregate or total, especially with reference to money: The expenses came
to an enormous sum.
Quotient:a result obtained by dividing one quantity by another
Product: A product in math is defined as the answer of an equation in which two or more
variables are multiplied. In other terms, a product is the answer to any multiplication
problem. The product of 4 and 5 is 20.
Difference:A difference is the result of a subtraction problem. The difference of 10 and
7 is 3.
• be able to use formal and informal methods and algorithms, both mental and written, for the
four operations of arithmetic;
An Algorithm is a step-by-step solution. It is like a cooking recipe for mathematics.
and combine the answers" Long Division is another example of an algorithm: when you