Frontend estimation is a method in mathematics for guessing the approximate sum of two numbers. The method relies on a focus upon the 'front end of the number. In other words, frontend
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When using frontend estimation, we add or subtract the front digits, and then adjust for a more accurate estimation by estimating the sum of the digits to the right of the decimal
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Front end estimation is a quick method to find an estimate of sums and differences.
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Subtract the digits of the two highest place values Insert zeros for the
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