Across
- 4. the amount of space inside a 2D shape
- 7. a number that represents a part of a whole
- 8. almost, near, around
- 10. the result of multiplying a number by itself
- 11. the ratio of a circle's circumference to its diameter (approximately 3.14)
- 12. multiplying by two
- 13. a point in the middle
- 15. a number that cannot be written as a fraction
- 16. a fraction based on parts of ten
Down
- 1. dividing into two equal parts
- 2. the root number of a square number
- 3. a straight line joining the centre of a circle to its edge (half the diameter)
- 5. a straight line through the middle of a circle
- 6. the distance around the outside of a circle
- 9. never-ending
- 14. a rule in maths expressed in symbols