The 3rd number is the first number plus 11. The 5th number is the 3rd number plus 11 and so on. The 4th number is the 2nd number plus 11. The 6th number is the 4th number plus 11 and so on.
Free challenging math problems for Kids (1st grade, 2nd grade, 3rd grade, 4th grade, 5th grade, 6 grade and 7th grade)