Exam (elaborations)
Algebra and equations mark scheeme
- Institution
- GCSE
Igcse edexel mark scheeme for module 1. Includes working outs and where the mark was earned
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Mathematics Department Mark SchemeModule 1 – Algebra & Equation Solving
(Version 1.0)
Marking Guidance (Courtesy of Edexcel)
, Question Working Answer Notes
Q1 (a) 4y B1 Correct answer
Q1 (b) 8x + 6 B1 Correct answer
Q1 (c) 10a – 3b B1 Correct answer
Q1 (d) x7 B1 Correct answer
Q1 (e) 4x2 + 4x B1 Correct answer
Q1 (f) 12a3b3 B1 Correct answer
Q1 (g) 4ab2+2ab+3a2b B1 Correct answer
(Total 7 marks)
Q2 (a) x2+4x B1 Correct answer
Q2 (b) 6x + 10 B1 Correct answer
Q2 (c) 10x + 15 + 2x + 8 12x + 23 M1 Attempt to expand brackets (condone one error)
A1 Correct answer
Q2 (d) x2 + 7x + x2 – x 2x2 + 6x M1 Attempt to expand brackets (condone one error)
A1 Correct answer
Q2 (e) 6x2 + 2x2y B1 First term correct
B1 Second term correct
(Total 8 marks)
Q3 A1 Substitutes x = 2 into equation and notes 13 ≠ 9
(Total 1 mark)
Q4 6x = 24 x=4 M1 Isolating term in x
A1 Correct answer only
(Total 2 marks)
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