The four operations in mathematics are:
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Addition: Combining two or more quantities to get a total. For example, \( 5 + 3 = 8 \).
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Subtraction: Taking one quantity away from another. For example, \( 5 - 3 = 2 \).
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Multiplication: Repeated addition of a number, or finding the total of groups of equal size. For example, \( 5 \times 3 = 15 \).
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Division: Splitting a quantity into equal parts or determining how many times one number is contained within another. For example, \( 15 \div 3 = 5 \).
These operations are fundamental to arithmetic and form the basis for more complex mathematical concepts.