SUBSTITUTION Materials required for examination Items included with question papers Ruler graduated in centimetres and Nil millimetres protractor compasses pen HB pencil eraser. Finding value of a variable in a formulae. Arithmetic and Fractions of Amounts.
Learn about and revise formulae and how to apply skills in substituting creating and rearranging formulae with BBC Bitesize GCSE Maths Edexcel guide.
Videos worksheets 5-a-day and much more. Making a different letter the subject of a formula means manipulating the formula to get that letter by itself on one side of the equation. Square the base radius of the cone and multiply by pi. Learn about and revise formulae and how to apply skills in substituting creating and rearranging formulae with BBC Bitesize GCSE Maths Edexcel guide.