Per means divide
Per means divide
The word "per" means divide. So average speed is distance per time, and density is mass per volume.
Per means divide
Per means divide
The word "per" means divide. So average speed is distance per time, and density is mass per volume.
Step-by-step lessons covering OCR GCSE Maths Speed and Density 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.