This learning module provides students with practice in applying mathematical operations to vocational agriculture. The module consists of unit objectives, definitions, information, problems to solve, worksheets suitable for various levels of vocational agriculture instruction, and answer keys for the problems and worksheets. This module, which covers percents and percentages, provides practice in activities such as changing percentages to decimals and decimals to percents, changing percents to fractions, and solving number sentence percent problems. Practical applications include calculating interest and taxes, finding the proper amount of feed for an animal during a fair, and determining the economic loss caused by insect damage. (KC)