Working together to improve teaching & learning Leagan Gaeilge
›› Geogebra ›› Comparing mobile phone charges
Use in conjunction with the corresponding student activity. Drag the sliders to change the fixed charge and the cost-per-minute of a phonecall for Network A and Network B. Drag the red dot to find the total cost of a phone bill as the number of minutes increases.

Copyright: Project Maths Development Team 2014