Find The Number Series is the very good way to judge your child which is best according to me and here i am providing some very good Addition series that can your child easily answer.
In the Below image you need to see the numbers how its adding the numbers to get the results there itself you need to find out the respective last series what it would be.
You have 30sec to answer the question your time starts now.
Now Check your answer from here whether its correct or not.
Answer: 5 + 1 = 6.