Science quiz
Click only the square numbers
The numbers 1 to 100 are on the board. Click all 10 square numbers in any order. Click anything else and the game is over.
- Format
- Click the grid
- Items
- 10 to click
- Limit
- 1:00
- Level
- Medium
- Checked
- 2026.10.03
- To find
- 10
- Time limit
- 1:00
- Minefield
- One wrong click ends it
- Click every valid item, in any order.
- Decoys look plausible. Read carefully.
- Pause whenever you like (Esc). The board hides while the clock is stopped.
Click all the square numbers, and nothing else. The grid appears when you start.
About this quiz
A square number is a whole number times itself. Squares thin out as numbers grow: there are three below 10 and only ten up to 100.
- There are 10 square numbers from 1 to 100.
- No square number ends in 2, 3, 7 or 8.
- 1 counts: it is 1 times 1.
More quizzes like this
| No. | Quiz | Section | Format | Items | Added |
|---|---|---|---|---|---|
| 01 | Click the sums that make 12 Thirty short sums, and 12 of them come to exactly 12. Click every one that does. A sum that comes to anything else ends the game. Science / Click the grid / 12 to click | Science | Click the grid | 12 | 2026.10.03 |
| 02 | Click the sums that make 100 Thirty short sums, and 12 of them come to exactly 100. Click every one that does. A sum that comes to anything else ends the game. Science / Click the grid / 12 to click | Science | Click the grid | 12 | 2026.10.03 |
| 03 | Click the sums that make 13 Thirty short sums, and 12 of them come to exactly 13. Click every one that does. A sum that comes to anything else ends the game. Science / Click the grid / 12 to click | Science | Click the grid | 12 | 2026.10.03 |