Find the next number in the number sequence 82, 101, 122, 145,

The answer is 170,

This is an arithmetic sequence, meaning you use addition or subtraction and not multiplication and division. The sequence changes like this, 101 - 82 = 19
So you would think you would add 19 to 101 to find the next number, however, 101 + 19 /= 122.
So it can't be the same number, so the equation sequence must add or subtract.

122 - 101 = 21

That is 2 more than 19. In order to confirm this is the proper sequence, you take the next number, or 145 - 122 = 23.

Now 23 - 21 = 2

The sequence changes by an increase of 2 every time in these selected numbers in the sequence. Therefore, you can accurately assume that the next number is 170

I hope this helped!