Master the hardest parts of GCSE and IGCSE and get ahead with Alevel maths topics.
In this course you will learn about different ways to write down sequences and sums of sequences (series). You'll learn about a range of different types of sequences and how to express them precisely. In particular you'll learn in detail about the arithmetic and geometric sequences needed for Alevel maths.

Suitable for students at the end of GCSE/IGCSE or the start of Alevel (usually ages 1517).

Learn by doing  as well as video introductions, each of the 5 chapters is organised around a contains an original downloadable worksheet.

Each worksheet has a range of easier and harder questions as well as some 'starred' questions to stretch the strongest students.

Every question in each worksheet has a fully explained video solution.

Free preview sections available after logging in (no payment details needed).

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Reviews for Mathsaurus online courses
Sine and Cosine Rules
Joseph Donovan
A challenging topic delivered with searing exposition and clarity. Makes you fall in love with maths and want to do nothing all day but maths!
A challenging topic delivered with searing exposition and clarity. Makes you fall in love with maths and want to do nothing all day but maths!
Read LessNothing like it
Divij Divij
Amazing content and great user interface of the website, made it easy to navigate and answer through the questions.
Amazing content and great user interface of the website, made it easy to navigate and answer through the questions.
Read LessWish we had this course years ago
patrick ludden
This is a fantastic course and my children and I are really enjoying the material and looking forward to more great learning.
This is a fantastic course and my children and I are really enjoying the material and looking forward to more great learning.
Read Less
£19.00
£19.00Sequences and series  APs and GPs
1 Year enrolment 
£29.00
£29.00Sequences and series  APs and GPs
2 Year enrolment 
£39.00
£39.00Sequences and series  APs and GPs
Unlimited enrolment
This course is also available as part of a bundle...
Get ready for Alevel maths
Course curriculum
Free preview includes teaching videos for all 25 modules.

1
Welcome to the course

2
Introduction to sequences

Linear sequences
FREE PREVIEW 
Quadratic sequences
FREE PREVIEW 
Geometric sequences
FREE PREVIEW 
You're ready to try the next worksheet!
FREE PREVIEW 
Intro to the worksheet
FREE PREVIEW 
Worksheet E1: Introduction to sequences
FREE PREVIEW 
Question 1abc

Question 1 def

Question 1 ghi

Question 1 jkl

Question 1 mno


3
Iterative sequences and sigma notation for summing series

Formal notation for sequences
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Sigma notation for summing series
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You're ready to try the next worksheet!
FREE PREVIEW 
Worksheet E2  Iterative sequences and sigma notation for summing series

Question 1

Question 2

Question 3

Question 4

Question 5 Hint

Question 5

Question 6 Hint

Question 6


4
Arithmetic progressions and their sums

Arithmetic Progressions
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Sums of Arithmetic Progressions
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You're ready to try the next worksheet!
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Worksheet E3  Arithmetic progressions and their sums

Question 1

Question 2

Question 3

Question 4

Question 5

Question 6

Question 7

Question 8 hint

Question 8

Question 9 hint

Question 9


5
Geometric progressions

Geometric progressions
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GPs and APs compared
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Finding the number of terms using logs
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You're ready to try the next worksheet!
FREE PREVIEW 
Worksheet E4  Geometric progressions

Question 1

Question 2

Question 3

Question 4

Question 5

Question 6

Question 7

Question 8 hint

Question 8

Question 9 hint

Question 9


6
The sum of a geometric progression

Finite sums of geometric progressions
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Infinite sums of geometric progressions
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You're ready to try the next worksheet!
FREE PREVIEW 
Worksheet E5  The sum of a geometric progression

Question 1

Question 2

Question 3

Question 4

Question 5

Question 6

Question 7

Question 8 hint

Question 8

Teacher
Kevin Olding