Current Math TopicUnderstanding Addition and Subtractionpart - a piece of a whole 2 and 3 are parts of 5.whole - You add parts to find the whole. 2 + 3 = 5 The whole is 5.addend - the numbers you add together to find the whole 2 + 3 = 5 2 and 3 are addends.subtract - You can subtract a part from the whole to find the missing part. 5 - 3 = 2.difference - The difference is the amount that is left over after you subtract. 4 - 1 = 3.subtraction sentence - A subtraction sentence is a way to show a subtraction problem. 7 - 3 = 4 is a subtraction sentence.
Last Modified on May 19, 2015