Soma Surface

What is the surface area of the solid shown?
Exploring and noticing Working systematically Conjecturing and generalising Visualising and representing Reasoning, convincing and proving
Being curious Being resourceful Being resilient Being collaborative

Problem



Image
Soma Surface
The diagram shows a solid made by gluing four $1\text{cm} \times 1\text{cm} \times 1\text{cm}$ cubes together.

What is the total surface area of the solid?

If you liked this probelm, here is an NRICH task that challenges you to use similar mathematical ideas.