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◇ Activities (13) ◇

• Activity · manipulative · curated

  Fraction tiles / fraction bars — hands-on manipulative

  physical material — Lakeshore, Didax, or equivalent · ~15 min

  How a guide uses this:Physical fraction bars (halves, thirds, fourths, sixths, eighths, twelfths all the same overall length).
  Bigger denominator means bigger fractionDoesn't recognize equivalent fractions visually or conceptuallyMakes equivalent fractions by adding instead of multiplying
• 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 — Compare fractions with different denominators

  khanacademy.org · ~6 min

  How a guide uses this:Khan's comparison video explicitly addresses the 'bigger denominator' misconception using area-model visuals.
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  Bigger denominator means bigger fraction
• Activity · manipulative · curated

  Montessori fraction circles / fraction insets — physical manipulative

  Montessori material — Nienhuis, Alison's Montessori, Ikon, or similar Montessori supplier · ~20 min

  How a guide uses this:Classic Montessori circular fraction insets: whole, halves, thirds, fourths, fifths, sixths, eighths, ninths, tenths.
  Doesn't recognize equivalent fractions visually or conceptuallyBigger denominator means bigger fractionPartitioning doesn't require equal parts
• Activity · game_or_interactive · curated

  GeoGebra — Comparing Fractions (sliders)

  geogebra.org · ~15 min

  How a guide uses this:Top sliders set numerator/denominator; bottom sliders multiply to reach equivalence. Supports comparison via equivalence reasoning.
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  Bigger denominator means bigger fractionThe whole doesn't matter
• Activity · game_or_interactive · curated

  Math = Love — Fraction War printable card deck

  mathequalslove.net · ~20 min

  How a guide uses this:Like the card game 'war' but with fraction cards.
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  Bigger denominator means bigger fractionDoesn't recognize equivalent fractions visually or conceptually
• 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 · game_or_interactive · curated

  GeoGebra — Plotting Fractions on a Number Line

  geogebra.org · ~10 min

  How a guide uses this:Slider-driven number line where the learner sets the denominator and watches the tick marks redistribute between 0 and 1.
  Open →
  Bigger denominator means bigger fractionDoesn't recognize equivalent fractions visually or conceptuallyMakes equivalent fractions by adding instead of multiplying
• 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