| Answer | Crossword Clue |
|---|---|
| TOT | Do a sum. |
| ADD | Do a sum. |
| TOTAL | Do sum work |
| ADD | Do sum math? |
| ICANT | "... Do the Sum." |
| ICANT | "... do the sum." |
| ADDITUP | Do that sum. |
| ICANT | "... do that sum." |
| ICANT | "... Do This Sum" |
| ADD | Do sum work |
| ADD | Do sum thing? |
| ADD | Do sum work? |
| MISADD | Do sum thing wrong? |
| ICANT | "... Do This Sum," V. Herbert song |
| ICANT | "... Do the Sum," song in "Babes in Toyland." |
