| NILPOTENT | In maths, a ___ equals zero when multiplied by itself |
| LEMMA | In maths, a theorem proved to help to prove another one |
| ISOMETRY | In maths, a shape change such as rotation, preserving distances between points |
| ANGLE | "In math a 90degrees one is ""right""" |
| ROOT | A number that, when multiplied by itself, gives a specified number (4) |
| CUBEROOT | Number which produces a given number when multiplied by itself three times (4,4) |
| IDEMPOTENT | Of an element or quantity in mathematics, remaining unchanged when multiplied by itself (10) |
| ONE | It's the same when multiplied by itself |
| SQUARE | A number r in relation to p such that r multiplied by itself equals p? (6,4) |
| CUBE | In mathematics, the product of a number multiplied by itself three times (4) |
| POWER | How many times a number is multiplied by itself, in math |
| CROUP | Odds of cure zero when getting out of bed with a bad cough (5) |
| CHARADE | Farce that's a game when multiplied (7) |
| ARC | Maths: a section of a curve, graph or geometric figure (3) |
| SQUARED | Multiplied by itself (Maths) |
| RHIZOMES | Stems from him getting zero when playing spades |
| CUBED | Multiplied by itself three times (5) |
| SQUAREMEAL | Food multiplied by itself? (6,4) |
| ACUTE | Maths: a triangle having all its interior angles less than 90degrees (5) |
| RATIO | Maths: a quotient of two numbers or quantities (5) |