Foundation November 2016 Unit 1 Q4
4. In this question, you will be assessed on the quality of your organisation, communication and accuracy in writing.
A square is made using four rods of equal length joined end to end.
The perimeter of this square is 72 cm.
Three of these rods are now joined end to end to make an equilateral triangle.
What is the perimeter of this equilateral triangle?
You must show all your working. [3 + 2 OCW]
| Scheme | Marks | Comments |
|---|---|---|
| ( Perimeter of triangle =) (72 ÷ 4) ×3 | M2 | M1 for (side length =) 72 ÷ 4 M1 for (perimeter of triangle =) ‘their 72 ÷ 4’ ×3 |
| 54 (cm) | A1 | CAO |
| Organisation and communication | OC1 | For OC1, candidates will be expected to: • present their response in a structured way • explain to the reader what they are doing at each step of their response • lay out their explanations and working in a way that is clear and logical • write a conclusion that draws together their results and explains what their answer means. |
| Accuracy of writing | W1 | For W1, candidates will be expected to: • show all their working • make few, if any, errors in spelling, punctuation and grammar • use correct mathematical form in their working • use appropriate terminology, units, etc. |