Fraction Forge3-5 · Add the tops and the bottoms?
  1. Conjecture
  2. Manipulate
  3. Measure
  4. Explain
  5. Generalize
Ready

This is a simulation, not a quiz. You answer by trying things and watching what happens.

Our question

Is 1/2 + 1/4 the same as adding the tops and the bottoms?

Getting the simulation ready…

  1. 1Build or change something
  2. 2Say what will happen, then run it
  3. 3Finish: say what you found
What counts as evidence
  • 1/2 + 1/4 shaded in fourths on the first bar.
  • 2/6 shaded on the second bar, and where each shaded edge ends.
  • A conclusion must address the Fraction Forge question.