Maths · KS3 Y8 · Number

Significant figures

m43Free614:28Heddy Score 1 of 7, below the standard

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What you need to know

  • Let x equal the recurring decimal.
  • Multiply by a power of 10 so the repeating parts line up.
  • Subtract to remove the recurring part, then solve for x.

In this clip

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Heddy Score1/7, Below the standard
  • Trusted source · passed. The creator's own upload, live and playable here.
  • On the map · not judged yet. A teacher watched it: it mainly teaches this map topic.
  • Spec-true · not judged yet. Accurate, and right for the current UK specification.
  • Focused · failed. One idea, short enough to watch in one go.
  • Accessible · not judged yet. Good captions, clear sound and pictures.
  • Safe for children · not judged yet. Right for 11 to 16 year olds, with no sales pitch.
  • Proven · not judged yet. Earned from our students: they learn from it, find it helpful and watch it to the end.
★ passed · ☆ pending · ✕ failed
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Our own students' answers. These are what move ★7 Proven.
How the Heddy Score works

Why we picked it

Corbettmaths' ten-hour Higher course recap spending a few minutes per topic; best used chapter by chapter by Year 11 Higher students.

corbettmaths on YouTubechecked 2026-10-16