•  Need a review of PARTIAL PRODUCTS?  Watch the video below:

    http://www.youtube.com/watch?v=-zpNl71PFIE

     
     
    MULTIPLYING 3 DIGITS BY 3 DIGITS 
     
     
    ESTIMATING MULTIPLICATION
     
    1. Round each number to the HIGHEST PLACE VALUE.
    2. Multiply the front digits in your head and add on the number of 0s there are.
     
    Example:  783 x 446
     
    783 rounds to 800
    446 rounds to 400 
     
    8 x 4 = 32
     
    Add on (4) 0s
     
    320,000