Science quiz
Count to 32 in binary
Binary has two digits, 0 and 1. Type the numbers 1 to 32 in base two, in order; each fills as soon as it is right.
- Format
- Type them all
- Items
- 32 answers
- Limit
- 3:00
- Level
- Medium
- Checked
- 2026.10.03
- Answers
- 32
- Time limit
- 3:00
- Order
- One at a time, no skipping
- Matching
- Case and accents ignored
- Answer each item in turn; the next appears when you get it right.
- Press Enter to check a guess.
- Pause whenever you like (Esc). The board hides while the clock is stopped.
Type each number in binary.
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About this quiz
In binary each place is worth twice the one to its right: ones, twos, fours, eights. Computers store every number this way.
- 32 in binary is 100000: a one and five zeros.
- A number is even exactly when its binary form ends in 0.
- 31 is 11111, the largest number that fits in five binary digits.
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