Thursday, June 28, 2012

Sums and Product

Move the green point to a desired location, and then move the red point and observe what happens.

This is a Java Applet created using GeoGebra from - it looks like you don't have Java installed, please go to


1.) What do the numbers on the side of the rectangle represent? 

2.) What does the number inside the rectangle represent?

3.) What is the relationship among the numbers on the green point and the other numbers?

4.) What is the minimum/maximum number that can be obtained inside the rectangle? 

5.) What does the geometric and algebraic interpretation of the problem above?

1 comment:

  1. I think Abacuswill reduce time of doing sum and multiplications..
    I like the post....