This presentation is meant for pupils of primary school of standard 3. It has been prepared by the classroom teacher, Mr Reshad Codabaccus of Bon Accueil Government School. He teaches using technology and wishes to share his works with all the pupils of Mauritius, Rodrigues and Agalega. Hope you will find it interesting the way the lesson has been presented. Any suggestions to improve the work, will be much appreciated. Email: firstname.lastname@example.org. Thank you.