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◇ Activities (9) ◇

• Activity · game_or_interactive · curated

  GeoGebra — Fractions on a number line

  geogebra.org · ~15 min

  How a guide uses this:Sliders create proper and improper fractions on a number line; supports mixed-number conversion (e.
  Open →
  Fractions are always less than 1Bigger denominator means bigger fraction
• Activity · video · curated

  Khan Academy — Fractions on the number line

  khanacademy.org · ~6 min

  How a guide uses this:Number line representation grounds fractions as single quantities.
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  Fractions are always less than 1Notational confusion — reads 3/4 as 'three, four'
• Activity · video · curated

  Khan Academy — Mixed numbers and improper fractions

  khanacademy.org · ~5 min

  How a guide uses this:Addresses m03 with explicit examples of fractions > 1.
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  Fractions are always less than 1
• Activity · game_or_interactive · curated

  PhET — Fractions: Intro (number-line representation)

  phet.colorado.edu · ~15 min

  How a guide uses this:PhET's free sim lets the learner switch between bar, circle, and number-line views of the same fraction.
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  Bigger denominator means bigger fractionFractions are always less than 1Doesn't recognize equivalent fractions visually or conceptually
• Activity · game_or_interactive · curated

  Toy Theater — Number Line (drag-and-drop, configurable ticks)

  toytheater.com · ~10 min

  How a guide uses this:Free, no-login web tool.
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  Bigger denominator means bigger fractionFractions are always less than 1Notational confusion — reads 3/4 as 'three, four'
• Activity · manipulative · curated

  Fraction number-line floor mat — walk-the-line manipulative

  physical material — Didax, Learning Resources, or teacher-made painter's-tape line on the floor · ~20 min

  How a guide uses this:A 0-to-1 (or 0-to-2) number line laid out on the floor.
  Bigger denominator means bigger fractionFractions are always less than 1The whole doesn't matter
• Activity · other · curated

  'Where does it live?' — guide-led number-line estimation probe

  teacher/guide-led, no URL · ~10 min

  How a guide uses this:Quick diagnostic probe, not a lesson.
  Bigger denominator means bigger fractionFractions are always less than 1
• Activity · manipulative · curated

  'Which is bigger?' rapid card sort — whole-number-bias detector

  teacher/guide-led, no URL — index cards or printed cards · ~5 min

  How a guide uses this:5-minute diagnostic.
  Bigger denominator means bigger fractionFractions are always less than 1
• Activity · manipulative · curated

  'Closer to 0, 1/2, or 1?' benchmarking sort

  teacher/guide-led, no URL — printable or 3 hoops on the floor · ~10 min

  How a guide uses this:Three labeled bins: 'closer to 0', 'closer to 1/2', 'closer to 1'.
  Fractions are always less than 1Bigger denominator means bigger fractionDoesn't recognize equivalent fractions visually or conceptually