Grade 7 – 8 maths

Rate
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Rate

Rate is the comparison of 2 quantities of different kind. If we buy chicken fillets, as an example, at a rate of R54/kg, it means that we have to pay R54 for 1 kg of chicken fillets. Now, if we want to buy 2,5 kg of chicken fillets, the price will be 2,5 times R54….

Multiplication and Division of Common Fractions
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Multiplication and Division of Common Fractions

When multiplying or dividing fractions, we do NOT change the denominators to be common as in the case when adding or subtracting fractions. Multiplication and division of fractions are quite straightforward to do. When multiplying fractions, you can follow two methods. The first method is that you multiply all the numerators with each other and…