random number 1 to 15

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Random number between 1 and 15

Fifteen numbers, from 1 to 15, are loaded on the reel. Press Generate and each one has a chance of one in fifteen, about 6.7%. It is a handy size for a small class, a sports squad, a book club or a group of colleagues.

Typical uses

  • Calling on students. Give each student a number from a class list of 15 and pick who answers next. With No repeats on and 5 numbers, you get five different names in one go.
  • Squads and teams. Choose who sits out, who takes the first penalty or who picks the next drill.
  • Question banks. Fifteen revision questions on a sheet: pick one at random to start a lesson.
  • Bingo columns. Each column of a 75-ball bingo card holds fifteen numbers, so 1 to 15 is exactly the B column.

Picking without picking the same person twice

Classrooms are where fairness matters most to the people being picked. Turn on No repeats and ask for 20 numbers: with only fifteen in the range, you get every number exactly once, in a random speaking order. Copy the list to the board and cross numbers off as students take their turn. Nobody gets picked twice while someone else is skipped, and nobody can claim the order was chosen by the teacher.

For names instead of numbers, the name picker draws straight from a typed list. For a bigger group, try the 1 to 25 page.

Picking several numbers from 1 to 15

15 possible numbers. What changes when you pick more than one at a time:

Numbers pickedA given number is among them (No repeats on)At least one number twice (No repeats off)
16.7%0%
213.3%6.7%
320%19.1%
533.3%52.5%
1066.7%98.1%

How it works

  1. The range is set

    The lowest and highest numbers for this page are already in the sentence at the top, and both can come up. Nothing to type before your first pick.

  2. Pick your number

    Press Generate or the Space bar, or tap the number. The reel rolls like a slot machine and stops on the result.

  3. Change it if you need to

    Tap how many numbers you want in the sentence to get up to 20 at once; No repeats keeps them all different. Tap either end of the range to type a new one.

Any suggestions for improvement?

We build tools that are as simple and intuitive as possible, with a few bonuses here and there. Tell us what would make this one better.

Ready-made versions

Random numberNumber 1 to 10Number 1 to 100Number 1 to 6Number 1 to 20Number 1 to 50Number 1 to 1000Number 1 to 3Number 1 to 4Number 1 to 5Number 1 to 8Number 1 to 12Number 1 to 25Number 1 to 30Number 1 to 31Number 1 to 40Number 1 to 49Number 1 to 52Number 1 to 60Number 1 to 75Number 1 to 90Number 1 to 200Number 1 to 365Number 1 to 5001 to 10,000

Questions

What is the chance of a given number from 1 to 15?

One in fifteen, about 6.7%, on every press. All fifteen numbers are equally likely.

How do I put 15 people in a random order?

Tap “a number”, choose 20, and turn on No repeats. The tool can only give 15 different numbers, so you get all of them in a random order.

Does it work in a classroom on a projector?

Yes. Press the full screen button in the header to show the number large enough for the back row.

Is the random number generator free?

Yes. It is free to use, funded by advertising, with no account and no app to install.

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