Across
- 2. the amount of three-dimensional space a substance occupies or is enclosed by a surface
- 5. not consistent or having a fixed pattern; liable to change.
- 7. the process or skill of taking one number or amount away from another.
- 8. a numerical or constant quantity placed before and multiplying the variable in an algebraic expression (e.g. 4 in 4x y).
- 9. the space (usually measured in degrees) between two intersecting lines or surfaces at or close to the point where they meet.
Down
- 1. separate or be separated into parts.
- 3. a plane figure with three straight sides and three angles
- 4. obtained from (a number) another that contains the first number a specified number of times.
- 6. the action or process of adding something to something else.
- 7. a round solid figure, or its surface, with every point on its surface equidistant from its center