Across
- 5. A number expressed as n/100 or n percent
- 7. Repeated addition
- 9. A convex polyhedron where every face is a polygon with point symmetry
- 10. Finding the difference between two numbers
- 11. The longest side in a right triangle
- 12. A number which can be expressed as a fraction
- 13. The state of being similar in shape, size and area
Down
- 1. An expression which contains an '=' symbol
- 2. A state in which two lines never meet
- 3. The remaining part of an algebraic expression
- 4. Repeated subtraction
- 6. A number with a numerator and denominator
- 8. A figure with 20 faces
- 10. A form in which a number is expressed as [k*10 to the power n]