This key facts covers Notation within Recurring Decimals for GCSE Mathematics. Revise Recurring Decimals in Number for GCSE Mathematics with 14 exam-style questions and 11 flashcards. This is a high-frequency topic, so it is worth revising until the explanation feels precise and repeatable. It is section 2 of 5 in this topic. Use this key facts to connect the idea to the wider topic before moving on to questions and flashcards.
Topic position
Section 2 of 5
Practice
14 questions
Recall
11 flashcards
Notation
| Decimal | Meaning | Fraction |
|---|---|---|
| 0.3̇ | 0.333333... | 1/3 |
| 0.1̇2̇ | 0.121212... (12 repeats) | 12/99 = 4/33 |
| 0.16̇ | 0.1666... (only 6 repeats) | 1/6 |
A dot over a single digit means that digit repeats. Dots over two digits means those two digits repeat together.