Question

This pattern follows the add 10 rule. What other features do you observe? 7, 17, 27, 37, 47, 57

Question 1 options:

All terms are odd because odd + odd = odd.

All terms are odd because when we add two numbers together, the sum is always odd.

All terms are even because odd + even = even.

All terms are odd because odd + even = odd.

Answer 1

the last one because it’s the only one with a reasonable explanation.

Answer 2

All terms are odd because odd + even = odd.