This problem is about find the patter on the number line to complete them all.
To know the unit rate, we just need to divide 10 by 3, since there are only three spots from 0 to 10.
Rounded to the nearest hundredth.
This means the first number is 3.33, the second number is 6.66, and then we have 10. You can also express the first number as 10/3, and the second number as 20/3, expressing them as fractions you will be more accurate. The image below shows the complete number line