Grade 6 Worksheets | Addition and Subtraction

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Addition is the “putting together” of two groups of objects and finding how many in all. Subtraction tells “how many are left” or “how many more or less.”

We say addition and subtraction are inverse operations because one operation can “undo” the other operation. (

 In an addition equation, addends are the numbers that are added together to give a sum. In a subtraction equation, the subtrahend is taken away from the minuend to give a difference. (

PEMDAS is an acronym for the words parenthesis, exponents, multiplication, division, addition, subtraction. Given two or more operations in a single expression, the order of the letters in PEMDAS tells you what to calculate first, second, third and so on, until the calculation is complete. If there are grouping symbols in the expression, PEMDAS tells you to calculate within the grouping symbols first. (

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