Skill· 10y–13y· 3 min
Carbon Footprint Calculator — How Heavy Is Your Family's Impact?
Tween estimates the family's weekly carbon footprint by examining transport, food, and energy use. Parent facilitates data gathering and discussion. This activity reveals systems thinking, numerical estimation skills, and environmental impact awareness through a real-world applied maths lens.
Free to do together whenever you like.
What you'll need
Paper and pencil for calculations. Optional: a recent electricity or gas bill, knowledge of typical weekly driving distances, and a rough sense of grocery shopping habits. A calculator is fine for the arithmetic — the thinking is what matters.
How it works
The 3-step guide, with what to look for at each step, is for signed-in parents.
Visual example
Coming soon