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Fractions

Fractions. What is to be learned?. How to simplify fractions. Simplifying Fractions. Steps to Success Find a number that goes into the top and bottom Divide top and bottom Check you have fully simplified. ÷ 3. 2. 6 . =. 3 √. ÷ 3. 15. 5. The Test of Success.

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Fractions

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  1. Fractions

  2. What is to be learned? • How to simplify fractions

  3. Simplifying Fractions Steps to Success Find a number that goes into the top and bottom Divide top and bottom Check you have fully simplified ÷ 3 2 6 = 3√ ÷ 3 15 5

  4. The Test of Success What is to be learned? Steps to success Find a number that goes into the top and bottom Divide top and bottom Check you have fully simplified How to simplify Fractions 15 ÷ 5 3 = ÷ 5 35 7

  5. What is to be learned? • How to calculate a fraction of an amount

  6. Finding fraction of a quantity Steps to Success Divide by the bottom number Multiply by the top number (denominator) (numerator) 3/5 of 20 4 x 3 = 12 5 20

  7. The Test of Success What is to be learned? Steps to success Divide by the bottom number Multiply by the top number How to calculate a fraction of an amount 4/5 of 15 3 x 4 = 12 5 15

  8. Percentages

  9. What is to be learned? • How to change between fractions decimals and percentages.

  10. Fraction (a/b) C (then simplify) a ÷ b 100 Percentage (C%) Decimal X 100 ÷ 100

  11. Percentage Calculations

  12. What is to be learned? • How to do percentage calculations without a calculator

  13. Non Calculator Percentage Calculations Steps to success Change % to fraction Do calculation Write answer with units 10% of £40 = 1/10 of 40 = 40 ÷ 10 = £4

  14. The Test of Success What is to be learned? Steps to success Change % to fraction Do calculation Write answer with units How to do percentage calculations without a calculator 25% of £32 = ¼ of 32 = £8

  15. What is to be learned? • How to do percentage calculations with a calculator

  16. Calculator Steps to success Change to decimal Multiply Put in units (and extra zero if required) 17% of £40 = 0.17 = 6.8 X 40 £ 0

  17. The Test of Success What is to be learned? Steps to success Change % to decimal Multiply Write answer with units (and extra zero if required) How to do percentage calculations with a calculator 28% of £40 = 0.28 X 40 0 £ = 11.2

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