Science quiz
Sum hunt: every number from 1 to 30
A sum appears and you click its answer on the board of 1 to 30. Each number is the answer to exactly one sum, and used numbers leave the board.
- Format
- Pick the match
- Items
- 30 to match
- Limit
- 2:00
- Level
- Easy
- Checked
- 2026.10.03
- Prompts
- 30
- Bank
- Number buttons, A to Z
- Time limit
- 2:00
- A miss
- Shows the answer, then moves on
- Each sum appears in turn. Click its match in the bank.
- Used answers leave the bank. Keys 1 to 9 pick the first nine buttons; type a name to jump to it.
- Skip (0) sends a prompt to the back of the queue.
- Pause whenever you like (Esc). The board hides while the clock is stopped.
Click the answer to each sum. The bank appears when you start.
About this quiz
Because every number from 1 to 30 is used once, the board empties as you go and the last few sums can be checked against what is left.
- The sums mix addition, subtraction, multiplication and division.
- A wrong click shows the right answer and moves on.
- The order of the sums changes every day.
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 |