Question

When would you use a drawing of comparison bars for word problem

Answer 1

Answer: Comparison bars are a display tool for solving the scenario in which two elements are compared with the difference is either known or unknown.

There are three kinds of use of comparison bars in word problem such as 1) If difference is unknown then A-B=Difference[where A -bigger quantity, B-smaller quantity]. 2) If bigger quantity is unknown then A=Difference-B 3) If smaller quantity is unknown then B=Difference-A.

Answer 2

You usually use drawing of comparison bars for word problems when the word problem deals with comparison between two quantities.

This usually occurs when you are looking for the difference between two quantities.