Grade 10 First Quarter : Lesson 1 - Arithmetic Sequence, Arithmetic Mean and Arithmetic Series ------------------------------------------------------------------------------------------------------------------------------------------------------------ Copyright Disclaimer Under Section 107 of the Copyright Act 1976, allowance is made for "fair use" for purposes such as criticism, comment, news reporting, teaching, scholarship and research. Fair use is a use permitted by copyright statute that might otherwise be infringing. ALL RIGHTS BELONG TO THEIR RESPECTIVE OWNERS