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

Which equation represents the partial sum of the geometric series?

Can (3,5 and square root 34) be sides on a right triangle?

An annual marathon covers a route that has a distance of approximately 26 miles. winning times for this marathon are all over 2 hours. the following data are the minutes over 2 hours for the winning male runners over two periods of 20 years each. earlier period 14 12 15 22 13 10 19 13 9 14 20 18 16 20 23 12 18 17 6 13 recent period 7 11 7 14 8 9 11 14 8 7 9 8 7 9 9 9 9 8 10 8 (a) make a stem-and-leaf display for the minutes over 2 hours of the winning times for the earlier period. use two lines per stem. (use the tens digit as the stem and the ones digit as the leaf. enter none in any unused answer blanks. for more details, view how to split a stem.) minutes beyond 2 hours earlier period 0 1 2 (b) make a stem-and-leaf display for the minutes over 2 hours of the winning times for the recent period. use two lines per stem. (use the tens digit as the stem and the ones digit as the leaf. enter none in any unused answer blanks.) minutes beyond 2 hours recent period (c) compare the two distributions. how many times under 15 minutes are in each distribution