Classroom ideas for dice
- Math fluency. Roll two dice and have students add, subtract, or multiply the numbers.
- Probability. Roll two dice 50 times, tally the totals, and discuss why 7 comes up most often.
- Roll-a-prompt. Number six writing prompts or review questions and let the die choose.
- Board games without lost pieces. Project the roller so every group uses the same roll.
Need a different kind of chance? Flip a coin or spin therandom name picker.
Dice roller FAQ
How do I roll the dice?
Choose how many dice and how many sides, then press "Roll" or the space bar. The total is added up for you.
Are the rolls fair?
Yes. Every roll uses your browser's cryptographic random number generator, so each face has exactly the same chance.
What is the most common roll with two dice?
Seven. Six of the 36 possible combinations add up to 7, so it comes up about 16.7% of the time. The rarest totals are 2 and 12, at about 2.8% each.
What are the odds of rolling a specific number on one die?
One in six, or about 16.7%, on a standard six-sided die. On a 20-sided die it is 1 in 20, or 5%.
Can I roll a d20 or other game dice?
Yes. Switch the "Sides" setting to 4, 8, 10, 12, or 20 for tabletop and role-playing games.
Last reviewed by the TeachTimer team · How we build and check our tools