| Answer | Crossword Clue |
|---|---|
| ADD | Do basic arithmetic |
| SUMS | Basic arithmetic |
| ADDS | Performs basic arithmetic |
| innumerate | Without a basic knowledge of mathematics and arithmetic |
| ciphering | Do arithmetic |
| ciphered | Do arithmetic |
| cyphered | Do arithmetic |
| cyphering | Do arithmetic |
| SUBTRACT | Do arithmetic |
| ADD | Do arithmetic. |
| ADD | Do arithmetic |
| DIVIDE | Do arithmetic |
| ADD | Do simple arithmetic |
| ADD | Do some arithmetic |
| MULTIPLY | Do some arithmetic |
