| Expansion card, e.g. | 20 |
| Computer expansion card | 23 |
| Totaling | 8 |
| Simple arithmetic | 17 |
| Calculating endeavor | 20 |
| Throwing in | 11 |
| Tacking on | 10 |
| Summing | 7 |
| Sum problem? | 12 |
| Performing a simple operation | 29 |
| Making two and two four | 23 |
| Kind of office machine | 22 |
| Job for the summer? | 19 |
| Early arithmetic skill | 22 |
| Doing the math, in a way | 24 |
| Doing sums | 10 |
| Child's arithmetic lesson | 29 |
| Calculator job | 14 |
| Arithmetic task | 15 |
| Arithmetic chore | 16 |
| Arithmetic assignment | 21 |
| Annexing | 8 |
| Action for calculating people? | 30 |
| ___ Ababa | 9 |
| __ Ababa | 8 |
| ___ Ababa, Ethiopia | 19 |
| Start of an African capital | 27 |
| ____ Ababa | 10 |
| Part of an African capital | 26 |
| Capital starter | 15 |
| --- Ababa, Ethiopia | 19 |
| --- Ababa | 9 |
| -- Ababa | 8 |
| _____ Ababa, Ethiopia | 21 |
| _____ Ababa | 11 |
| ___ Ababa (capital of Ethiopia) | 31 |
| ___ Ababa (African Union HQ) | 28 |
| Capital | 7 |
| Ethiopia's capital | 22 |
| Where the African Union is headquartered | 40 |
| Its airport is in the subcity of Bole | 37 |
| Ethiopian National Library city | 31 |
| East African capital | 20 |
| City known as the political capital of Africa | 45 |
| City dubbed "the political capital of Africa" | 55 |
| City at the foot of Mount Entoto | 32 |
| Capital of Ethiopia | 19 |
| Capital city in Africa | 22 |
| Capital at the foot of Mount Entoto | 35 |
| African Union's capital | 27 |
| African Union Commission headquarters | 37 |
| African capital whose name means "new flower" | 55 |
| Extra: Abbr. | 12 |
| Not included: Abbr. | 19 |
| Supplementary: Abbr. | 20 |
| Bonus: Abbr. | 12 |
| Tacked on: Abbr. | 16 |
| Like shipping and handling, typically: Abbr. | 44 |
| Like S&H | 12 |
| For an extra cost: Abbr. | 24 |
| Extra, in ads | 13 |
| Extra, for short | 16 |
| Spoil | 5 |
| Throw off | 9 |
| Puzzle | 6 |
| Throw | 5 |
| Baffle | 6 |
| Perturb | 7 |
| Muddle | 6 |
| Mix up | 6 |
| Bewilder | 8 |
| Befuddle | 8 |
| Buffalo | 7 |
| Perplex | 7 |
| Throw for a loop | 16 |
| Dizzy | 5 |
| Nonplus | 7 |
| Make confused | 13 |
| Throw into confusion | 20 |
| Make muddled | 12 |
| Mystify | 7 |
| Disorient | 9 |
| Become rotten | 13 |
| Cause confusion | 15 |
| Mentally confused | 17 |
| Throw off one's game | 24 |
| Spoil, as an egg | 16 |
| Really mix up | 13 |
| Muddle or confuse | 17 |
| Make rotten | 11 |
| Drive meshuga | 13 |
| Confuse—or what to do to four common phrases to form this puzzle's theme answers | 88 |
| ______ pated | 12 |
| Bewildered | 10 |
| Confused | 8 |
| Perplexed | 9 |
| Daft | 4 |
| Rotten | 6 |
| Puzzled | 7 |
| Confounded | 10 |