GCSE MATHEMATICS - NUMERACY UNIT 2: CALCULATOR-ALLOWED HIGHER TIER SPECIMEN PAPER SUMMER 2017 1 HOUR 45 MINUTES
ADDITIONAL MATERIALS A calculator will be required for this paper. A ruler, protractor and a pair of compasses may be required. INSTRUCTIONS TO CANDIDATES Write your name, centre number and candidate number in the spaces at the top of this page. Answer all the questions in the spaces provided in this booklet. Take π as 3∙14 or use the π button on your calculator. INFORMATION FOR CANDIDATES You should give details of your method of solution when appropriate.
For Examiner’s use only
Question 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11 TOTAL
Maximum Mark Mark Awarded 6 7 7 5 5 4 12 7 10 4 13 80
Unless stated, diagrams are not drawn to scale. Scale drawing solutions will not be acceptable where you are asked to calculate. The number of marks is given in brackets at the end of each question or part-question. The assessment will take into account the quality of your linguistic and mathematical organisation, communication and accuracy in writing in question 1.
Volume of a prism = area of cross section × length
4 3 πr 3
Volume of a sphere =
Surface area of a sphere =
Volume of a cone =
4πr 2
1 2 πr h 3
Curved surface area of a cone = πrl In any triangle ABC,
a sin A
Sine rule: =
b c = sin B sin C
Cosine rule: a = b + c − 2bc cos A 2
Area of triangle =
2
2
1 ab sin C 2
The Quadratic Equation The solutions of ax2 + bx + c = 0 where a ≠ 0 are given by x =
−b ± b 2 − 4ac 2a
Annual Equivalent Rate (AER) n
i AER, as a decimal, is calculated using the formula 1 + − 1 , where i is the nominal n interest rate per annum as a decimal and n is the number of compounding periods per annum.
You will be assessed on the quality of your organisation, communication and accuracy in writing in this question Carys decides to invest £380 in a savings account for 6 years. The account pays a rate of 2∙54% AER. Will Carys have sufficient money in her savings account to be able to buy a motor scooter costing £460 in 6 years’ time? You must show all your working and give a reason for your answer.