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Binary Numbers

by Anonymous

Flip 8 light bulbs on and off and shift bits to see how 0s and 1s turn into numbers, letters, and doubling or halving.

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About this app

Binary Numbers is an interactive beginner lesson about how computers represent numbers and letters with 0s and 1s. Explore three activities: switch eight bulbs to match decimal targets, decode bit rows into words, and use left or right shifts to double or halve values. Reset and advance through guided challenges with immediate feedback.

Use cases

  • Children learning basic coding and computer science
  • Teachers introducing binary numbers in class
  • Beginners practicing place values and bits
  • Families exploring how computers encode letters

Features

  • Eight clickable binary slots with place values from 1 to 128
  • Five number-building challenges, including 5, 13, 32, 100, and 255
  • Three-row bit puzzles that decode hidden words into letters
  • Shift challenges for doubling, halving, and adding one
  • Reset and next buttons with progress feedback
  • Optional sound toggle