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Knowledge Base: Mathematics Year 9
Here is a list of the topics you will be studying this year and the key skills you will be tested on. You may want to use this as a revision checklist!
Here are some important formulae you will need to learn. These will be needed throughout your time at Kings’:
Volumes
Topic
Title
Key Skills
Check
Patterns and
25 Sequences
26 Constructions
Pythagoras and
27 Trigonometry
Combined
28 Events
Powers
29 and Roots
Bearings
30 and Scale
Understanding
31 2D Shapes
Calculations with
32 3D Shapes
Finding the term-to-term rule of different sequences Finding the nth term of arithmetic sequences
Using the nth term rule of a sequence
Constructing triangles (SSS, ASA, SAS, RHS) Constructing bisectors
Understanding and drawing loci
Using Pythagoras theorem to find lengths
Using trigonometry to find lengths (sin, cos, tan)
Using trigonometry to find angles
Drawing sample space diagrams and tree diagrams Calculating the probability of combined events
Venn diagrams and set notation
Using the laws of indices
Simplifying surds
Converting numbers to and from standard form
Finding bearings
Calculations with bearings
Using and calculating with scale factors
The symmetry of 3D shapes
Finding the volume of a prism
Finding the surface area of a prism
Calculating averages from tables
Calculating averages from grouped data
Drawing and interpreting pie charts and other diagrams
Compound measures
These QR codes can be used for revision and general mathematics
Kings’ Mathematics
Resource Centre
Links to textbooks and revision material for all years
Year 9 Resources
Revision websites, curriculum and revision material
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