Assessment simulatorFree to play

Number Sequences Test Practice

Spot the rule and predict the next term - the pattern test firms pair with mental math.

Free account required to play.

Alongside the mental-math test, speed-focused market makers use a number-sequences assessment: you're shown a run of numbers and must infer the rule and give the next term. It rewards fast pattern recognition - arithmetic and geometric progressions, growing differences, alternating and interleaved patterns, and recursive rules.

The Sequences simulator draws from a wide library of pattern types and validates each series so there's a single defensible answer. Working many varied sequences under a timer trains you to test hypotheses quickly and recognise the common structures on sight.

What it's modelled on

The number-sequences half of a speed screen

The numerical stage of a speed assessment typically pairs the mental-math blitz with a number-sequences test - infer the rule from a run of numbers and give the next term. This simulator recreates that pattern-recognition round.

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What it trains

  • Recognising arithmetic, geometric, and higher-order difference patterns
  • Alternating, interleaved, and recursive (Fibonacci-style) sequences
  • Forming and testing a rule quickly under time pressure

How it's scored

You type the next term and submit; the server checks it. Free plays a fixed 12-question, 3-minute Easy set; Premium can configure count, timer, and difficulty to scale from foundations to hard patterns.

Frequently asked questions

What kinds of number sequences appear in trading assessments?
Arithmetic and geometric progressions, growing or higher-order differences, alternating and interleaved series, and recursive rules like Fibonacci. The skill is inferring the rule from a few terms and predicting the next one quickly.
How do I get faster at number-sequence questions?
Practise a wide variety so the common structures become recognisable on sight, and get into the habit of testing a candidate rule against every given term before committing. Timed reps build the speed assessments demand.