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Standard Form
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What standard form means

What standard form means

Worked diagram showing 64800000 changing to 6.48 times 10^7 and 0.000731 changing to 7.31 times 10^{-4}, with decimal moves labelled

Standard form writes a number as a×10na \times 10^na×10n. The coefficient aaa must satisfy 1≤a<101 \le a < 101≤a<10, and nnn must be an integer, so it can be positive, negative, or zero.

Standard Form Lesson

  1. GCSE
  2. /Maths
  3. /Standard Form

Step-by-step lessons on WJEC GCSE Maths Standard Form. Each one builds up to exam-style questions. 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.