• Current Math Topic

    Understanding Addition and Subtraction
    part - 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