What this lesson teaches
Number systems binary octal decimal hex.
Convert between binary octal decimal hexadecimal!
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Number systems binary octal decimal hex.
Understanding binary at the conceptual level (place value with base-2) connects to the deepest layer of how computers actually work. Students who understand binary place value understand why digital data has limits, why file sizes exist, and why all digital information is fundamentally numerical.
1. Convert 25 to binary. 2. Convert to octal. 3. Convert to hex. 4. Reverse: binary 1101 to decimal.