From words to algebra
From words to algebra
A variable is a letter such as xxx that stands for an unknown number. An expression is something like 3x+53x+53x+5, while an equation says two expressions are equal, like 3x+5=203x+5=203x+5=20.
From words to algebra
From words to algebra
A variable is a letter such as xxx that stands for an unknown number. An expression is something like 3x+53x+53x+5, while an equation says two expressions are equal, like 3x+5=203x+5=203x+5=20.
Step-by-step lessons covering OCR GCSE Maths Forming and Solving Equations for Foundation and Higher tier. Each lesson works through exam-style questions in the written papers format. Build fluency with number, ratio and algebra first, since geometry, probability and statistics topics rely on them, and leave extra time nearer the exam for Higher-tier problem-solving and multi-step reasoning questions.