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Published byTania Hastey Modified over 4 years ago

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Learning Objectives In the starter activity Pupils should be able to revise what they have in previous lessons By the end of this lesson Pupils should be able to able to add, subtract, multiply and divide fractions They will be able to complete related questions from their text books

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STARTERSTARTER Give a fraction equivalent to

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Simplify

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Write as a percentage

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Write as a fraction 7%

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Convert it into a mixed number

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Convert it into an improper fraction

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Adding Fractions + =

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Why Not ??????????? +=

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Remember When you add fractions The denominators must be the same

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Complete Exercise 15:7 Q 1-5 Page 352 Time allotted: 2 minutes Pupils should be able to:

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What Happens if The two bottom numbers are different

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2 2

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Complete Exercise 15:7 Q 6-11 Page 352 Time allotted: 5 minutes Pupils should be able to:

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Find LCM (Lowest Common Multiple ) Multiples of 3 and 4 Multiples of 3 3,6,9,12,15,18,21,…….. Multiples of 4 4,8,12,16,20,24,…………

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Change the denominators into 12 4 3 3 4

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Subtracting Fractions

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Different Denominators

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Complete Exercise 15:8 Q 2, 4, 5, 8 Page 352 Time allotted: 5 minutes Pupils should be able to:

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Multiplying Fractions 1 of the 3 parts is Green of the box is Green The box is split in half This split the green part in half. Now only of the whole box is green

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This means that of is

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OR

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Question 5

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Complete Exercise 15:9 Q 1-9 Page 353 Time allotted: 10 minutes Pupils should be able to:

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Dividing Fractions

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Method Invert the second fraction and them multiply

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Complete Exercise 15:10 Questions as many as they can Page 353 Time allotted: 10 minutes Pupils should be able to:

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Subtracting Fractions By: Greg Stark EC&I 831 Subtracting Fractions Numerator -------------------- Denominator Represents the number of parts into which.

Subtracting Fractions By: Greg Stark EC&I 831 Subtracting Fractions Numerator -------------------- Denominator Represents the number of parts into which.

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