Solution

26502

First name
Milly
School
Denfield park primary school
Country
Age
10

The anwsers are all in the three times tables.

such as:
6+7+8 = 21 which is 3 times 7
1+2+3 = 6 which is 3 times 2
4+5+6 = 15 which is 5 times 3