IB skill practice

Use percentage error and percentage change Free

Calculate percentage error, signed percentage change, and maximum percentage error from rounding in clear applied contexts.

Paper 1 4 marks Difficulty 3 GDC available

Signed percentage change in a weather-station check

Calculate the signed percentage change from \(800\) to \(776\). Enter an increase as positive and a decrease as negative.

Worked practice: Signed percentage change in a weather-station check

Concept for this guided solution: identify the mathematical relationship named in the Signed percentage change in a weather-station check task, connect each supplied quantity to its role, and preserve exact values until the requested final accuracy.