Problem No. 18. Min-max sum

What is the minimum and what is the maximum sum of 7 numbers which product is equal to 30?

Teacher tip

Suitable for exercising the factorization of numbers.

Problem No. 13. Sequence of numbers

Continue the following number sequence:

7, 3, 0, 3, 3, 6, 9, 5, …

Parent tip

Children love finding solutions together with their parents. Pretend that it is a difficult problem.