Rolling two dice simultaneously - Sum of values - Exploration+Practice

If you roll two standard dice simultaneously and add the values displayed on top, you always get a number between 2 and 12. Explore the app below and discover how to calculate the probability of getting a given sum.

How many possible pairs of values can you get when you toss 2 dice simultaneously?

What is the probability to get a sum of 1?

What is the sum that is the most likely to occur?

Two sums are the least likely to occur. Which are them?