Solution

39095

Problem / game
Sticky Triangles Back to problem
First name
Year 4 Enrichment class
School
St Mary MacKillop Primary School
Country
Australia
Age
9

Triangles Matchsticks
1 3
4 9
9 18
16 30
25 45

We found lots of patterns in both the triangles and matchsticks. The matchstick columns were all multiples of 3 and each new line added created a total of another multiple of 3. The number of triangles were increasing in odd numbers or adding 2 each row.