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# Which is the correct mark scheme for C1?

## Which is the correct mark scheme for C1?

6663 Core Mathematics C1 Mark Scheme Question Scheme Marks number 1. 9 – 5 or or or M1 = 4 A1cso (2) 2 M1 for an attempt to multiply out. There must be at least 3 correct terms. Allow one sign slip only, no arithmetic errors. e.g. is M1A0 is M1A0 as indeed is

## Which is the best mark scheme for maths?

Comparison of key skills specifications 2000/2002 with 2004 standardsX015461July 2004Issue 1 GCE Mathematics (6663/01) General Principal for Pure Mathematics Marking (But note that specific mark schemes may sometimes override these general principles). Method mark for solving 3 term quadratic: 1. Factorisation , leading to x = …

Do you need to show working in Mark scheme?

Individual mark schemes will give details of what happens in particular cases. General policy is that if it could be done “in your head”, detailed working would not be required. Most candidates do show working, but there are occasional awkward cases and if the mark scheme does not cover this, please contact your team leader for advice. June 2007

### How to use M1 for nth term formula?

M1 for attempt to use nth term formula with n = 200. Follow through their a and d. Must have use of n = 200 and one of a or d correct or correct follow through. Must be 199 not 200. A1 for 403 or 4.03 (i.e. condone missing £ sign here).

### What is the general principal of GCE mathematics?

GCE Mathematics (6663/01) General Principal for Pure Mathematics Marking (But note that specific mark schemes may sometimes override these general principles). Method mark for solving 3 term quadratic:

Which is the correct answer for N.B.A + 200D?

N.B. a = 3, d = 2 is B0 and a + 200d is M0 BUT is B1M1 and A1 if it leads to 403. Answer only of 403 (or 4.03) scores 3/3.