Writing formulae (Edexcel GCSE Maths): Quizzes
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Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What is a formula?
What is a formula?
A mathematical rule showing relationships
What are the two ways to write formulae?
What are the two ways to write formulae?
Word formula and algebraic formula
Which is NOT a step when converting word rules to algebraic formulae?
Which is NOT a step when converting word rules to algebraic formulae?
Drawing a diagram
Why must you always explain what each letter represents in a formula?
Why must you always explain what each letter represents in a formula?
It's an essential point to remember
When writing a formula, what must you check about units?
When writing a formula, what must you check about units?
They are consistent throughout
What is the algebraic form of: Cooking time in minutes = 25 × Weight in kg + 30?
What is the algebraic form of: Cooking time in minutes = 25 × Weight in kg + 30?
Car hire costs £80 plus 50p per mile. What is the algebraic formula?
Car hire costs £80 plus 50p per mile. What is the algebraic formula?
What is the formula for the perimeter of a regular hexagon with side length ?
What is the formula for the perimeter of a regular hexagon with side length ?
What is a good strategy when choosing letters for variables?
What is a good strategy when choosing letters for variables?
Choose sensible letters like T for time
Why are algebraic formulae more useful than word formulae?
Why are algebraic formulae more useful than word formulae?
They're more efficient for calculations