• 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  The difference is 3.
     
    subtraction sentence- A subtraction sentence is a way to show a subtraction problem.  7 - 3 = 4  is a subtraction sentence.

     

     
     




Last Modified on October 13, 2014