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A lamp and a bulb together cost £32. The lamp costs £30 more than the bulb. How much does the bulb cost?

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Presentation on theme: "A lamp and a bulb together cost £32. The lamp costs £30 more than the bulb. How much does the bulb cost?"— Presentation transcript:

1 A lamp and a bulb together cost £32. The lamp costs £30 more than the bulb. How much does the bulb cost?

2 Answer £31 for the lamp and £1 for the bulb

3 Revision Strategies March 2015

4 Exam Information  ‘Linear’ papers J567  Two Tiers – Higher A*-D, Foundation C- G.  Two 1hour 45min papers for higher, one without a calculator  Two 1hour 30min papers for foundation, one without a calculator  Papers 1 & 3 (non-calculator)  Papers 2 & 4 (calculator required)

5 Practice 3 ?

6 Practice, Practice, Practice.  Start revision a couple of months before the exam.  Work through class notes.  Summarise notes using mindmaps.  Redo classwork exercises – cover over and only look at answers if needed.  Try plenty of past exam questions and papers from the OCR website.  Visit websites.  Revision guides.  ASK the teacher if unsure!

7 Practice, Practice, Practice.  Maths clinic every lunchtime staffed by a maths teacher in room 201

8 Straight Line y = Straight line graphsc m = gradient c = y intercept (0,c) m = tan θ θ Possible values for gradient m > 0 m < 0 m = 0 m = undefined Distance between 2 points For Perpendicular lines the following is true. m 1.m 2 = -1 Parallel lines have same gradient Form for finding line equation y – b = m(x - a) (a,b) = point on line Median – midpoint Bisector – midpoint Perpendicular – Right Angled Altitude – right angled m 1.m 2 = -1

9 Useful websites  Login – bromsgrovePassword –triangle    

10 Mathswatch Revision Discs are available from the maths department for £4.

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13 In the exam  Read through the paper.  Show all stages of working.  Look at the mark allocation.  Don’t spend too long on one question.  Attempt every question  Move on if not sure – come back later.  Leave time for checking.

14  Solve the equation  5x – 2 = 3x + 18  3 marks available Any answers?

15  Solve the equation  5x – 2 = 3x + 18  5x – 3x – 2 = 18  2x – 2 = 18  2x = 18 – 2  2x = 16  x = 8 One error – 2 marks out of 3  Solve the equation  5x – 2 = 3x + 18  5x – 3x – 2 = 18  2x – 2 = 18  2x = 18 – 2  2x = 16  x = 8 One error – 2 marks out of 3  Solve the equation  5x – 2 = 3x + 18  x = 8  Incorrect answer – no working, no marks  Solve the equation  5x – 2 = 3x + 18  x = 8  Incorrect answer – no working, no marks

16 The night before the exam  When is the exam? am or pm?  Where is it?  Get the equipment ready – 2 black pens as minimum!  Get a scientific calculator.  Get some rest.  Keep calm!

17 On Sale Today Calculators £4 £2 Higher & Foundation Tier Revision Guides MathsWatch Revision Discs £6

18 GOOD LUCK!


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