Free changing the subject of a formula GCSE maths revision guide, including step by step examples, exam questions and free worksheet.
Discover the updated revision resources for GCSE Maths: Changing the subject of a formula, with step-by-step slideshows, quizzes, practice exam questions, and more! The subject of a formula is the ...
y9. Algebra. Changing Subject of Formula A formula, like v = u + at is great if we want to know the value of v. But what if we want to know the value of u? Or the value of a? We can use algebraic manipulation to rearrange the formula so that it tells us about “u” instead of about “v”. Algebraic manipulation is like a game with only one ...
Changing the subject of a formula means rearranging an equation so a chosen variable is on its own. This is a core GCSE and IGCSE algebra skill, used in maths, science and problem solving whenever you need to make a different letter the subject. In this lesson you will learn a reliable reverse BIDMAS method, see worked examples, and then practise rearranging formulae with instant feedback.
GCSE (1 – 9) Changing the Subject of a Formula Instructions Use black ink or ball-point pen. Answer all Questions. Answer the Questions in the spaces provided there may be more space than you need.
Changing the subject of the formula: To change the subject of a formula, begin with the variable to become the new subject, and apply inverse operation as for solving equations in the opposite order to the order conventions.
Changing the subject of a formula is one of the essential skills in algebra, which removes the expressions of a specific variable in favour of others. Whether you’re handling physics equations or financial formulas, having the ability to change the definition of a subject lets you adjust equations to your needs.