What Is a Fraction

A fraction names equal parts of a whole

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About This Practice

One fraction can wear two outfits: the area model shades n of d equal strips in a bar, while the set model highlights n of d dots. Tap the buttons to switch between the two models and watch what the numerator and the denominator each stand for — the essence of a fraction.

See the same fraction in two visual models—an area model and a set model—to understand what a fraction means: a whole split into equal parts, with some parts chosen. Tap to switch models and watch one fraction keep its meaning in both representations.

EasyEstimated Time: 10minwhat is a fractionequal partsfraction meaningparts of a whole

How to Play

  1. Look at the fraction: what is the denominator, what is the numerator?
  2. In the area model, count the equal parts of the bar and how many are shaded.
  3. Tap “Set Model” to see the same fraction as d dots with n circled.
  4. Compare the two models and say what the denominator and the numerator each mean.
  5. Tap “New Fraction” or switch difficulty for larger denominators.

Learning Objectives

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