3r ESO Worksheets 2026–27

Maths challenges

The unit's worksheets as PDFs, to print or work on in class. They are in Catalan. The solutions to the challenges are in the notes.

Challenge A 23 Sep 2026

Survival laboratory

Problem sheet and solutions for the three challenges: designing the camp, capacities and survival.

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Challenge B 25 Sep 2026

Renovating our first flat

Problem sheet: paint, parquet and skirting board to renovate a flat, and the total budget.

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Formulas 25 Sep 2026

Formula sheet: areas and volumes

Areas of plane figures, and lateral area, total area and volume of prisms, pyramids, cylinders, cones and spheres, with one case to work out on each row.

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