Solution

156208

Problem / game
First name
Chloé, Holly and Anna
School
Peak School
Country
Age
10

Build it Up
We found these solutions by starting from the top row and working our way to the bottom:

15 15 15 15
6 9 6 9 6 9 4 11
3 3 6 2 4 5 4 2 7 2 2 9
2 1 2 4 1 1 3 2 3 1 1 6 1 1 1 8

15 15 15 15
7 8 7 8 7 8 7 8
3 4 4 5 2 6 4 3 5 3 4 4
1 2 2 2 4 1 1 5 3 1 2 3 2 1 3 1

15 15
5 10 5 10
2 3 7 3 2 8
1 1 2 5 2 1 1 7

We found some rules after finding the solutions:

-The bottom row must equal an odd number (7, 9, 11)
-The second to bottom row equal 11,12 or 13
-On the bottom row there will always be a number repeated twice
-There has to be be one in the bottom row

Thanks for reading!