# What you need to know for a Grade A

The kind of stuff you need to know for maths in module 9 or to get an A, you can ignore the table headings 'Revision Ex' and 'Book Reference' because its for a text you that you might not have (and I don't have a clue which one it is:P).

I got it from school. Enjoy :D

- Created by: Zoeeee
- Created on: 08-06-11 16:13

First 291 words of the document:

Self Assessment Module 9

Book

Objective Revision Ex

Reference

N9.2 Estimate or check a calculation (including those with

A1 pg 26 Q1 Chapter 1 pg 1

standard form) by rounding to 1 significant figure

A9.3 Multiply out brackets e.g. (2a+b)(3a-4b) and expressions

A1 Q2,3 Chapter 2 pg 4-8

e.g. 2ab2 x 3a3b4

A9.3 Factorise expressions including quadratics

A1 Q4,5,6 Chapter 2 pg 9-16

e.g. 2x2-15x-8, x2-16

A9.3 Simplify expressions with fractions

e.g. x2+3x+2 A1 Q7 Chapter 2 pg 17

x+1

A9.3 Solve quadratic equations by factorising not in book use

e.g. solve 2x2-15x-8=0 My maths

A9.2 Form and use equations involving direct or inverse Chapter 3 pg

A1 Q8,9,10

proportion 18-25

N9.3 Use fractional, negative and zero powers in simplifying Chapter 4 pg

B1 pg 51 Q1-8

numerical expressions, including the use of prime factors 28-32

A9.1 Rearrange formulae, including where the subject appears

Chapter 5 pg

twice, has a fraction or has a power B1 Q9-10

33-34

e.g. s 2ax = b(x-s) make x the subject

S9.3 Solve problems involving the lengths of arcs, areas of Chapter 6 pg

B1 Q 11-15

sectors and the volume of pyramids, cones and spheres. 35-44

N9.1 Use calculators or written methods to calculate the upper

Chapter 7 pg

and lower bounds of calculations. B1 Q 16-22

45-50

S9.4 Understand and use the effect of enlargement on length,

Chapter 8 pg

area and volume of shapes and solids, including the use of negative

C1 pg 81 Q 1-3 53-55

scale factors.

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