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15-Puzzle

💡Benefits

Sliding puzzle — arrange the numbers in order

🎮How to play

Sliding puzzle — arrange the numbers in order

Frequently asked questions

Yes, the 15 puzzle on MentalMath is free and needs no registration.
Sliding tiles through the empty cell to put them in order develops sequential planning and spatial imagination.
The 15 puzzle fits from about 6-7 years, and a 3x3 board is a comfortable start for younger children.
By sliding only the tiles next to the empty cell you arrange the numbers from 1 to 15, so you must consider how each slide affects the next step.
Yes, tiles move with a tap on a phone or tablet; 10-15 minutes of regular practice a day brings good results.
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