Random number picker with no repeats Random number 1-30
Calling on a class by number
Many classrooms number the students from 1 to 30 on the roster, for the lab stations or for handing in work. A number is quick to say, and calling a number instead of a name keeps the draw light for shy students. Press Draw, say "number 17", and the student with that number answers.
This page starts with Keep drawn numbers out of later draws switched on, so by the thirtieth press every number has had its turn once. The line under the buttons says how many are left. If a student is absent, the page does not know, so skip that number and draw again. For a class of 24, change To to 24, so a number without a student behind it never comes up.
Outside school the same range does small jobs: a day of the month for a chore or a treat, the number of a player in a squad of 30, or the page of a recipe book. Pick a lot of numbers together by raising How many, for instance to 6 to form a team for a game.
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Using it with a class list
- Check the range. Change To if your class has fewer than 30 students, so every number belongs to someone.
- Ask the question, then press Draw and name the number aloud. Hit the space bar for a faster pace during quick review.
- Watch the counter under Keep drawn numbers out of later draws. When it reaches zero, press Start over for the next round.
- Open Present to show the number on the projector, or Copy the list of drawn numbers to keep a record of who answered.
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Questions about numbers from 1 to 30
Will a number be called twice?
Not in a round. Every drawn number stays out until you press Start over. If you want repeats, switch the option off.
What if a student is absent?
Skip their number and press Draw again. The absent number still counts as drawn, so the round ends on time, and you can call that student first next round.
Can I draw a group of numbers at once?
Set How many to 5, say, and press Draw once. You get five different numbers, which is handy for a table group. Sort from smallest puts them in order.
Is this better than drawing slips from a bag?
It is faster and it never loses a slip. Each number has the same chance, and the draw cannot be influenced, which helps when students doubt the teacher is fair.
Does it work for something other than a class?
Yes. Any list numbered up to 30 works, such as a roster, a set of cards or the days of a month.
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Other ready-made ranges
- Random number 1-10One number between 1 and 10, or several with no repeats
- Random number 1-100One number from 1 to 100, with a record of earlier draws
- Random number 1-20A number from 1 to 20 for class, games and small choices
- Random number 1-50A number from 1 to 50, one at a time or a set with no repeats
- Random number 1-1000Raffle tickets and giveaways: draw winners from 1 to 1,000
- Dice roller 1-6A six-sided die on screen, or two dice at once
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