Regrouping is the borrowing of a value from one column of numbers to another to aid a mathematical operation. If one is subtracting, it’s necessary to regroup when the number at the top of a column is smaller than the one below it.
Continue ReadingWhen subtracting numbers with more than one digit, write down the larger number first, followed by the smaller number directly below it. For instance, write 15 below when subtracting it from 32. Since 2 is smaller than 5, by regrouping, two becomes 12 when a 10 is borrowed from three on the column to the left. Likewise, 3 loses 1 to become 2. Subtracting 5 from 12 above it on the right column and 1 from 2 on the left column gives 17 as the answer to 32 - 15.
Learn more about ArithmeticEquivalent means something has the same value or is interchangeable. For instance, $1 is equivalent to 100 cents, four quarters, 10 dimes or 20 nickels. Likewise, 60 seconds is one minute, 365 days is a year and 5,280 feet is the equivalent of 1 mile.
Full Answer >In mathematics, the word "evaluate" is a verb that refers to finding or calculating the value of something. This can pertain to financial mathematics or to finding the exact value of an algebraic expression or numerical calculation.
Full Answer >When subtracting two numbers, regrouping means starting at the ones column and borrowing a value from the next column as one moves to the left until the subtraction is completed. "Regrouping" and "borrowing" are words that mean the same thing when subtracting.
Full Answer >In mathematics the difference is the result of subtracting one number from another, and represents the operation of removing objects from a collection. Mathematicians use the term "difference," because it shows by how much the two numbers in the subtraction problem differ.
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