Random Number Generator 1–100
The classic 1 to 100 picker — fair, fast and big enough for the back row.
Quick ranges
Recent draws
Your last 10 draws will show here.
More number ranges
- Random Number Generator 1–10
- Random Number Generator 1–20
- Random Number Generator 1–50
- Random Number Generator 1–100
- Random Number Generator 1–1,000
About the Random Number Generator 1–100
One to one hundred is the most popular range, and in the classroom it pairs perfectly with a hundreds chart. Use it for a number of the day, place-value warm-ups or a quick estimation game. Each number has exactly a 1-in-100 chance.
Ways to use a random number from 1 to 100
Number of the day
Draw a number each morning: write it in words, show tens and ones, and find ten more and ten less.
Hundreds chart hunt
Draw a number and have students find it on a hundreds chart, then name its neighbors.
Guess my number
Draw secretly, then the class asks yes-or-no questions (greater than 50? even?) to find it.
Rounding practice
Round each drawn number to the nearest ten, then check with a number line.
Frequently Asked Questions
Can I generate more than one number from 1 to 100?
Yes — up to 20 at once. Set How many numbers, then press Generate. Turn on No repeats if they all need to be different, for example for a lottery-style draw.
Can I use the numbers for a number of the day routine?
Yes. Many teachers draw one number from 1 to 100 at the start of math and build the routine around it: tens and ones, ten more, ten less, odd or even, and the number written in words.