 
Arithmetic  Whole Number Operations  
 

Arithmetic  Whole Number Operations  Dot MultiplicationOne way to visually represent a multiplication problem is to draw an array of dots matching the two numbers being multiplied as shown in these examples:
To find the answer, you just count up the dots! NOTE: Draw arrays for the following problems: 3x2, 2x1, and 2x5. A problem with this method is that drawing dot arrays for problems like 12x20 takes a lot of time. Click here to go to the activity
Custom Search
 
 