You are about to introduce 'Measurements' as a topic to a class of Grade 10 learners, and you want them to understand it well in preparation for Grades 11 and 12. You remember how Skemp (1978) defines the term 'understanding and suggests it has two meanings, instrumental and relational understanding 1 Identify the advantages and disadvantages of instrumental and relational understanding in Mathematical Literacy. (10 Marks)

2 Explain how you would introduce these topics in class, what resources you would use, and how (10 Marks

1. conversions of unit of time and metric system

2. perimeter area, and volume

3. Length, weight, temperature