Valuation = “an estimation of the worth of something, such as price, value etc.”

• When company ‘A’ takes over company ‘B’, proper valuation of the assets and liabilities of company ‘B’ should be done.
• It’s wise to get the valuation carried out by a professional valuer.
• The company was acquired at a high valuation.

Evaluation = “making a JUDGEMENT or assessment of merit, significance of something or somebody”

• What’s your evaluation of his acting talent?
• The teacher had a poor evaluation about the student’s learning capacity.
• The patient is undergoing a psychiatric evaluation.
• As part of a standard evaluation, job applicants are given a series of tests to measure the level of their intelligence and suitability.