FTCE General Knowledge Math Practice Test

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Which mathematical operation represents the calculation of "subtracting an addend from a sum"?

Multiplication
Division
Subtraction
Addition

The correct answer is: Subtraction

The calculation of "subtracting an addend from a sum" clearly aligns with the concept of subtraction. In mathematical terms, a sum is the result of adding two or more numbers together. When you subtract an addend (one of the numbers that were added) from this sum, you are essentially taking away one of the components of the sum. For example, consider the sum of 10, which could be derived from adding 7 and 3. If you were to subtract the addend 3 from 10, you would be performing the operation 10 - 3, which equals 7. This operation showcases how subtraction directly modifies the outcome of a previously calculated sum by removing one part of it. While multiplication, division, and addition are fundamental operations, they do not represent the specific action of taking a number away from a sum. Thus, subtraction is the only operation that accurately describes this calculation.