they are both the same because you get the same answers you just drop the $ sign. Ex. $3.56+$1.50=$5.06 and 3.56=1.50=5.06
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Integers are whole numbers, both positive and negative. Therefore, adding and subtracting integers would be adding and subtracting whole numbers. Examples: 8+2 -8+2 8-2 -8-2
Really? whole numbers are like dollar bills. if there is no change then $1.00 can be just $1 a whole number, no decimals, and so can all other total dollar amounts.
Adding decimal same as adding whole numbers
When you are adding and subtracting decimals, youare +/- ing the whole numbers and tenths in the number. the decimal might go away ex: 1.3-0.3=1 or it won't ex: 1.9-0.3=1.6
adding fractions is like adding a WHOLE lot of parts of numbers