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Letters, expressions and formulas

Letters, expressions and formulas

Word clue chart showing more than to plus, less than to minus, twice to 2x, half to x over 2, each or per to multiplication, and total to adding parts

A variable is a letter that stands for a number we do not know yet or that can change. An expression is a mathematical phrase made from numbers, variables and operations, so it does not have an equals sign.

Writing an Expression Lesson

  1. GCSE
  2. /Maths
  3. /Writing an Expression

Step-by-step lessons covering OCR GCSE Maths Writing an Expression 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.

Lessons