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Fractions, decimals and percentages (FDP)
The largest module. It starts with equivalent fractions and builds up to calculating with fractions, decimals and percentages, finishing with moving between all three. Fractions come first because the later lessons depend on them.
Equivalent fractions and simplifying
Using the highest common factor to reduce a fraction to its lowest terms
Read now 3.2Mixed numbers and improper fractions
Converting between the two, ready for calculations
Read now 3.3Adding and subtracting fractions
Unlike denominators, mixed numbers, and borrowing from a whole
Read now 3.4Multiplying and dividing fractions
Fraction × whole number, fraction × fraction, and fraction ÷ whole number
Read now 3.5Fractions of amounts
Unit and non-unit fractions, and working backwards: if 3/5 of a number is 27, what is the number?
Read now 3.6Decimal operations
Adding, subtracting, multiplying and dividing decimals
Read now 3.7Percentage of amounts
Using 10%, 5% and 1% as building blocks, up to harder percentages such as 17.5%
Read now 3.8Percentage changes
Percentage increase and decrease, and an introduction to reverse percentages
Read now 3.9FDP conversions
Moving fluently between fractions, decimals and percentages using a conversion grid
Read nowAll of this is free
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