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This unit introduces the concept of rational numbers based on the concept of fractions of whole numbers. In the first section we explain the concepts of fractions and equivalent fractions as well as h ...
In this unit, we will find out how water is distributed throughout the world, as well as calculate the amount we use every day, and we will compare this figure with the water consumed by other people ...
In this unit we shall look at the area of percentages and see how to use them in different exercises. We shall also look at examples of how percentages are used in the world around us such as Value Ad ...
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