About Number Sequence

Find the missing number in the sequence. This free online game is part of our brain training collection and is designed for players of all ages.

  • Difficulty: medium
  • Average play time: 3 minutes
  • No download or signup required
  • Works on desktop and mobile devices

🎮 How to Play Number Sequence

Number sequences challenge you to find the missing number in a series. The numbers follow a mathematical pattern that you must identify.

  1. Examine the differences: Calculate the difference between consecutive numbers.
  2. Look for patterns: Is it adding the same number? Doubling? Following a formula?
  3. Apply the rule: Once you find the pattern, apply it to find the missing number.

💡 Number Sequence Strategies

  • First differences: Subtract each number from the next. If these differences are constant, you have an arithmetic sequence.
  • Second differences: If first differences aren't constant, find the differences of the differences.
  • Common patterns: Squares (1, 4, 9, 16), Fibonacci (1, 1, 2, 3, 5), primes (2, 3, 5, 7).
  • Multiplication: Check if each number is multiplied by a constant factor.

🧠 Brain Benefits

Number sequence puzzles enhance mathematical reasoning and quantitative thinking. They train your brain to recognize numerical patterns, which is valuable for financial analysis, scientific research, and everyday calculations. Studies show that math puzzles help maintain numerical fluency as we age.

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