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11 B3 MATHS 5 TH FEB 2010 N. Stott

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Use your revision cards to remember the formulae for… The area of a circle The circumference of a circle The area of a triangle The area of a parallelogram The area of a trapezium The area of a rectangle The volume of a cuboid The volume of a prism

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1.Area of a Triangle

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2. Area of a Rectangle

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3. Area of a Circle

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4. Area of a Parallelogram

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5. Area of a Trapezium

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6. Circumference of a Circle

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7. Volume of a Cuboid

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8. Volume of a Prism

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Solving Equations Mixed Exercise 1. y + 7 = 20 2. 7x = 84 3. 8y -3 =29 4. 3x-10 = 2x-3 5. 4(3x-1) = 3(3x+2)

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Q1 & Q2 Solutions y+7 = 20 y=20-7 y=13 7x = 84 x=84/7 x=12

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Q3 Solution 8y-3=29 8y=29+3 8y=32 y=32/8 y=4

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Q4 & Q5 Solution 3x-10 = 2x-3 3x – 2x = -3 +10 x = 7 4(3x-1) = 3(3x+2) 12x-4 = 9x+6 12x-9x = 6+4 3x=10 x=10/3 or 3 1/3

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Homework For Monday 8th GCSE Maths Work Book Page 78 Questions 1-3

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