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How Tall Is That Tree?

Trigonometry is a branch of maths that relies on the relationships between the angles and sides of triangles. This activity uses trigonometry to estimate the heights of tall objects, by making a simple tool that can measure angles.

Trigonometry is a branch of maths that relies on the relationships between the angles and sides of triangles. This activity uses trigonometry to estimate the heights of tall objects, by making a simple tool that can measure angles.

Key Stage

THREE

Age

11-14

Learning

Maths, geometry, making observations, curiosity

Time

30 mins

Difficulty

HARD

Materials

protractor template A4 paper A6 paper measuring tape scissors sticky tape or glue hole punch 50cm of string Metal washer large button keyring with something on it or other small weight that can be tied with string

Teacher Pack

NO

Links

Supporting Resource Credit: Science Museum Group