| Numbers to be summed, in math | 29 |
| Numbers in additions | 21 |
| Math problem numbers | 20 |
| Figures above a line | 20 |
| Calculator figures | 18 |
| All the parts of a column except the bottom | 43 |
| Viper | 5 |
| Venomous snake | 14 |
| Snake | 5 |
| Poisonous snake | 15 |
| Venomous viper | 14 |
| Office machine | 14 |
| Dangerous snake | 15 |
| Serpent | 7 |
| Venomous reptile | 16 |
| European viper | 14 |
| Summer | 6 |
| Dangerous reptile | 17 |
| Calculating snake? | 18 |
| Reptile | 7 |
| Milk snake | 10 |
| Abacus user | 11 |
| This snake counts? | 18 |
| Puff ___ | 8 |
| Krait, e.g. | 11 |
| Krait | 5 |
| Kind of viper | 13 |
| Kind of snake | 13 |
| Crawly creature | 15 |
| Sum kind of snake? | 18 |
| Snake with venom | 16 |
| Scary snake | 11 |
| Terrestrial viper | 17 |
| Sort of serpent | 15 |
| Snake that's really sumthing? | 33 |
| One doing sums | 14 |
| Hognose snake | 13 |
| Calculator, at times | 20 |
| Calculating reptile? | 20 |
| Asp | 3 |
| Summer snake? | 13 |
| Sort of snake | 13 |
| Snake variety | 13 |
| Small viper | 11 |
| Puff __ | 7 |
| Milk snake, e.g. | 16 |
| Holmes's "speckled band" was one | 46 |
| Fer-de-lance's kin | 22 |
| Crawler or summer | 17 |
| Common viper | 12 |
| Asp relative | 12 |
| Abacus, e.g. | 12 |
| Viper, and a clue to this puzzle's theme | 44 |
| Viper or summer | 15 |
| Totalizer | 9 |
| Summer in the schoolroom | 24 |
| Summer at the office | 20 |
| Sum seeker | 10 |
| Snaky CPA? | 10 |
| Snake with a puff variety | 25 |
| Snake that sounds augmentative | 30 |
| Snake that gets total results? | 30 |
| Snake that counts? | 18 |
| Snake or machine | 16 |
| Snake or calculating person | 27 |
| Snake in the grass, really | 26 |
| Snake in the grass, perhaps | 27 |
| Small snake | 11 |
| Slithering biter | 16 |
| Scotland's only snake | 25 |
| Scotland's only poisonous snake | 35 |
| Scary viper | 11 |
| Reptile that's really sumthing? | 35 |
| Relative of a rattlesnake | 25 |
| Rattlesnake's cousin | 24 |
| Puffed-up snake | 15 |
| Puff snake | 10 |
| Puff ___ (viper) | 16 |
| Puff ___ (poisonous snake) | 26 |
| Puff ___ (hognose snake) | 24 |
| Puff ___ (dangerous snake) | 26 |
| Pocket calculator, e.g. | 23 |
| One working on a column? | 24 |
| One working on a column | 23 |
| One summing things up | 21 |
| One doing simple math | 21 |
| Northern copperhead, for one | 28 |
| Math pupil, at times | 20 |
| Hognose snake: puff ___ | 23 |
| Hog-nosed snake | 15 |
| Figurehead? | 11 |
| European snake | 14 |
| Copperhead | 10 |
| Columnist? | 10 |
| Calculator user | 15 |
| Calculating person | 18 |
| Bill checker | 12 |
| Accountant, often | 17 |
| Abacus wielder | 14 |
| Abacus | 6 |