| Clue | Source | Date |
|---|---|---|
| Check the addition | Thomas Joseph | 02 Jun 2023 |
| Check the addition | Thomas Joseph | 27 Aug 2021 |
| Check the addition | Thomas Joseph | 25 May 2020 |
| Verify the addition of | New York Times | 07 Jul 2019 |
| Double-check, as one's figures | Wall Street Journal | 02 May 2019 |
| Verify the addition of | ||
| Double-check, as one's figures | ||
| Check an addition | Newsday | 25 Mar 2018 |
| Double-check, as a sum | Wall Street Journal | 05 Feb 2018 |
| Double-check the addition of | ||
| Check, as one's numbers | ||
| Double-check, as figures | ||
| Bill check | ||
| Check the bill | ||
| Check the check | ||
| Add up again | ||
| Check one's addition | ||
| Add again. |