Gradeless
101

Binary Lights

Robots only understand ON and OFF. Read the row of lights as a number, then learn to switch the lights to make numbers yourself.

Codes, Binary & Robots · Grades 1–4 · 8 levels · Free

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8 levels

  1. Four lights
  2. Type the number
  3. Four lights, no labels
  4. Switch the lights
  5. Eight lights
  6. Read and build
  7. Eight lights, no labels
  8. Both ways, timed

What it practises

  • Reading Binary Numbers

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