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3 worked questions
About a minute each. The question, time to think, then how to do it and the mistake to avoid.
Sequences where the gap changes
Spotting a doubling gap when the numbers grow quickly.
Sequences from the first and last terms
Why six terms means five jumps.
Think of a number
Working backwards by undoing each step.
Sequences and algebra practice
No timerFoundation questions. No timer: check each answer as you go, then read the explanation.
1. What is the next number in the sequence 22, 33, 44, 55, 66, …?
These 5 are free
Every topic gives you 5 questions to try, at any level, with the full explanation on each one. A subscription opens the rest — and in the maths topics the questions are generated, so they never run out and never repeat.