Comparison Bar Model for Subtraction

As promised, here's a video demonstration using a comparison bar model to represent a subtraction word problem.




In the next videos, we'll look at how bar models can be used to represent word problems involving multiplication and division.

This series of training videos is produced using Matholia Tools. Tools are available on Matholia and can also be downloaded for free on  the iTunes App store.

The tools are just a small part of the comprehensive primary mathematics resources available on Matholia. Get your free trial account today!

Comparison Bar Models for Addition

A comparison bar model is useful for visualising word problems where a known quantity is compared to an unknown quantity. This video provides an examples of a comparison bar model for addition.






The above video was made using the Matholia Bar Model Maker. For loads more tools and comprehensive primary maths practice, head to the Matholia portal. In the next post, we'll look at how comparison bar models can be used to represent a subtraction word problem.