Year 11 · Specialist Mathematics

Arithmetic sequences and series

Free examples and worked answers. No account needed.

Start practisingLoading personal best…

Practise the method.

Find terms, common differences and finite sums.

Example 1

Sequence bars with a highlighted term and an optional reversed copy.123456Term numberFirst term 5 · add 8
Select a term and count the equal steps from the first term.
Show worked answer

Answer:

Example 2

Sequence bars with a highlighted term and an optional reversed copy.123456Term numberFirst term 11 · add 3
Pair the sequence with a reversed copy. Why do all the paired heights match?
Show worked answer

Answer:

Example 3

Sequence bars with a highlighted term and an optional reversed copy.1234567Term numberFirst term 2 · add 8
Select a term and count the equal steps from the first term.
Show worked answer

Answer: