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Ch. 3
Term | Definition |
---|---|
estimate | to make an approximate calculation, often based on rounding |
compatible numbers | numbers that are easier to work with mentally, usually end in a 0 or 5 |
addend | any number used to get the sum or total |
sum | the total or whole amount |
minuend | the first number in a subtraction problem |
subtrahend | the number being taken away |
difference | the result of subtracting one number from another |
expression | numbers, symbols, and operators (such as + and x) grouped together that show the value of something |
evaluate | to work out a problem |