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What does an athlete need to win a competition? Train, and train again! What does a student need to do to understand what a percentage is? To train too!

This workbook offers an exciting and unusual training programme. It involves solving interesting and non-standard tasks.

A variety of tasks will make training fun and easy and will definitely contribute to the understanding of the concept of percentage, help to work with percentages correctly not only at school, but also in everyday life, in particular:

• What do the percentages on food packaging mean?
• How to buy goods during discounts?
• How much money will you have to pay to the bank if you took a loan at a certain percentage?

The guide contains everything you need to confidently use the concept of «percentage»:

Rules for solving basic percentage problems;

Examples of solving problems in two ways;

About 50 exciting training exercises;

Almost 40 problems of practical content.

For teachers of secondary schools and students in grades 5-11 to work in class and at home.