Answer:
1. 1, 4, 7, 10,
next 3 terms: 13, 16, 19
Rule: adding 3
2. 6, 11, 16, 21,
next 3 terms: 26, 31, 36
Rule: adding 5
3. 3, 5, 7, 9,
next 3 terms: 11, 13, 15
Rule: adding 2
4. 1, 4, 9,
Possible Answer
next 3 terms: 22, 53, 128
Rule: Adding the previous 2 terms then add the previous term
or
next 3 terms: 16, 25, 36
Rule: adding odd numbers starting to 3 consecutively
explanation to number 4: the question is not clear since there is only three terms that made it complicated and brought me into 2 different rules. so you can choose one but I suggest you use the last answer since you're an elementary student and it must be some basics. thank you
