How to play What comes next?

Rules

1. The visible numbers are ordered from left to right.
2. One consistent arithmetic or pattern rule determines the missing next number.
3. The rule should explain the whole sequence, not just the final jump.

How to answer

1. Look for differences, ratios, alternating rules, squares, or combined operations.
2. Enter the next number only.

Solving tips

• Check first and second differences.
• Harder sequences may alternate between two simpler rules.

Playable examples