Question

QUESTION 4 4.1 Why is planning in the teaching of Mathematics important? Discuss by providing at least 5 valid arguments. (5) 4.2 What pre-knowledge concepts would a Grade 11 learner need to know before learning to sum to infinity (Sequences and Series)? (5) 4.3 In a recycling bin, the quantity of tin recovered during the 1st cycle is 300 kg, during the 2nd cycle it is 240 kg, during the 3rd cycle 129 kg and so on 4.3.1 Show that the recycling process represents a geometric sequence. (2) 4.3.2 Calculate the total quantity of tin recovered during the geometric sequence. (3) 4.3.3 If the process is continually repeated, calculate the total mass of tin that would be recovered. (2) 4.3.4 In order for the process to be economical, at least 10 kg of tin must be recovered in a cycle. What is the greatest number of cycles for this process to be economical? (2) [19]

          QUESTION 4
4.1 Why is planning in the teaching of Mathematics important? Discuss by providing
at least 5 valid arguments.
(5)
4.2 What pre-knowledge concepts would a Grade 11 learner need to know before learning
to sum to infinity (Sequences and Series)?
(5)
4.3 In a recycling bin, the quantity of tin recovered during the 1st cycle is 300 kg, during the 2nd
cycle it is 240 kg, during the 3rd cycle 129 kg and so on
4.3.1 Show that the recycling process represents a geometric sequence.
(2)
4.3.2 Calculate the total quantity of tin recovered during the geometric sequence.
(3)
4.3.3 If the process is continually repeated, calculate the total mass of tin that would be
recovered.
(2)
4.3.4 In order for the process to be economical, at least 10 kg of tin must be recovered in a
cycle. What is the greatest number of cycles for this process to be economical? (2)
[19]

QUESTION 4
4.1 Why is planning in the teaching of Mathematics important? Discuss by providing
at least 5 valid arguments.
(5)
4.2 What pre-knowledge concepts would a Grade 11 learner need to know before learning
to sum to infinity (Sequences and Series)?
(5)
4.3 In a recycling bin, the quantity of tin recovered during the 1st cycle is 300 kg, during the 2nd
cycle it is 240 kg, during the 3rd cycle 129 kg and so on
4.3.1 Show that the recycling process represents a geometric sequence.
(2)
4.3.2 Calculate the total quantity of tin recovered during the geometric sequence.
(3)
4.3.3 If the process is continually repeated, calculate the total mass of tin that would be
recovered.
(2)
4.3.4 In order for the process to be economical, at least 10 kg of tin must be recovered in a
cycle. What is the greatest number of cycles for this process to be economical? (2)
[19]

Added by Alexandra H.

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