Make the idea your own
- 1Turn individual bits on and off by clicking them.
- 2Read the weights from right to left.
- 3Add only the weights with a 1 above them.
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Class 8 · Computing
Build a binary number
Interactive explanation Gamified quiz, feedback & rewards
0 XP0 mastered
Suggested-level exploration · Learning goals & preparation
By the end, you can…
- Explain Value = sum of the active bit weights
- Change one input at a time and predict its effect before checking the model.
- Apply the relationship in a quiz and explain the reasoning behind your answer.
Useful preparation: Whole numbers, basic arithmetic and following ordered instructions.
This topic has a suggested learning level. A matching chapter in the current NCERT edition has not been verified, so it is not labelled as syllabus coverage.
Hands-on explainer · Class 8
Build a binary number
Class 8
CLASS 8 · CONCEPT QUEST
Turn understanding into a small adventureBuild a binary number
Discover the rule, predict what happens, then solve a hands-on mission.
DiscoverFind the idea→PredictThink it through→BuildMake it click
3 rounds · no timer · up to 100 XP for your best result
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The relationshipValue = sum of the active bit weights
Explain the experiment
When the goal is met: 13 = 8 + 4 + 1, so the five-bit representation is 01101.