During the seminar, the researcher had an informal interview with the other mathematics teacher, teaching Grade 7, in the district. ... The same is true with that of the experience of the researcher. ... With the mastery exercises, it can help Secondary schools to achieve higher performance in Mathematics 7. ... The learning competencies in Numbers and Number Sense are describes and illustrates well-defined sets, subsets, universal set and the null set; defines and describes the union and intersection of sets and the complement of a set; uses Venn Diagrams to represent sets, subsets and set o...

• Word Count: 4402
• Approx Pages: 18
• Has Bibliography
• Grade Level: Undergraduate