The inverse operation by Miss Graham | Feb 6, 2017 | Mathematics, News, Year 1 | 0 comments Year 1 have been marvellous mathematicians over the past couple of weeks investigating the inverse operation. They have had lots of fun whilst solving problems. Submit a Comment Cancel reply Comment Name * Email * Save my name, e-mail, and website in this browser for the next time I comment. Notify me of follow-up comments by email. Notify me of new posts by email.