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Subtraction OverviewSubtraction is a math concept that looks at removing things. You might take away a small piece or a big piece. You will even learn to take away a value that is greater than at the start. That's in a bit. You'll start with something small like two minus one (2-1). If you had two dots and took one away, you would have one left. That idea is the heart of subtraction.Take it AwayWhen subtraction is discussed, you will see minus (-) signs everywhere. That symbol stands for subtraction. It means "to take away," "subtracting" or simply "minus." The sign will be found in fractions and decimals too.RELATED ACTIVITIES
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