Fun with Mental Math Series Primer to Book 7 is not a set of Mathematics textbooks for teaching as a subject. It is carefully designed and planned to help the pupils to think logically and mathematically. 
Class Tests are introduced in every book from Book 1 onwards in order to keep the pupil at a competitive edge. The teacher should set up reasonable standards of achievement to adapt to the ability of the pupils in general. At the end of book, overall performance record sheet has been provided to check the ability and the position of pupils in the subject.