Recurring Decimals & Exact Fractions
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Terminating and Recurring Decimals

Build the core idea from scratch with gentle steps and lots of hints.

Mathematics · Beginner

5

questions · ~4 min · 3 hints each (−5 pts)

Confidence tracking, 3-tier hints and instant feedback.

What you'll learn

Each question helps you build key knowledge and skills.

  • 1A terminating decimal ends after a fixed number of digits, like 0.25.
  • 2A recurring decimal repeats a digit or group of digits forever, like 0.333...
  • 3Dots above digits show which part of a decimal repeats.
  • 4A fraction terminates if, once simplified, its denominator only has prime factors 2 and 5.

Question mix

A mix of question types to build your skills.

  • Fill the gap×2
  • True / False×1
  • Multiple choice×2

Different question types help you think in different ways.

How it works

A simple 3-step process

  1. 1

    Rate your confidence

    Tell us how sure you feel before answering. It helps us understand your starting point.

  2. 2

    Use hints if stuck

    Get up to 3 helpful hints per question. Each hint costs 5 Treasure Points.

  3. 3

    See what went wrong

    Get instant feedback with clear explanations, so you can learn and improve.

Ready when you are

This takes about 4 minutes.