Quelpr
2 marksNumber Sequences and Rules

CSEC Mathematics · May/June 2012 · Paper 2 · Question 8(b)(iii)

The table shows patterns for the figure number, area of triangle, and number of pins on the base.

Study the patterns in the table below, and on your answer sheet, complete the row numbered (iii) for Figure 20.

The mark scheme is shown once you've answered.

Practise this question

Other parts of this question

  1. 8(a)On the answer sheet provided, draw the fourth figure (Figure 4) in the sequence.[2 marks]
  2. 8(b)(i)Study the patterns in the table below, and on your answer sheet, complete the row numbered (i) for Figure 4.[2 marks]
  3. 8(b)(ii)Study the patterns in the table below, and on your answer sheet, complete the row numbered (ii) where the Area of Triangle is 100.[2 marks]
  4. 8(b)(iv)Study the patterns in the table below, and on your answer sheet, complete the row numbered (iv) for Figure n.[2 marks]

More practice: the rest of this paper · more Number Sequences and Rules questions · all CSEC Mathematics past papers