Across
- 3. A symbol or group of symbols and numbers that represent an amount, i.e. 2x + 7
- 6. A mathematician best known for a number sequence
- 8. A three-dimensional shape that has a uniform cross section
- 12. A number that has only two factors, 1 and itself
- 13. Angles that add up to 90 degrees
- 14. A whole number and not a fraction
- 15. Two lines that intersect to form a right angle
- 16. A statement that the values of two mathematical expressions are equal (indicated by the = sign)
- 17. A plane figure with at least three straight sides and angles
Down
- 1. The process of writing an expression as a product of several factors
- 2. A three-dimensional shape that has a circle as its base
- 4. A four-sided figure with one pair of parallel lines
- 5. A four-sided figure
- 7. A number that cannot be expressed as the ratio of two whole numbers
- 9. Practice of collecting and analysing numerical data in large quantities
- 10. A line that cuts a pair of parallel lines
- 11. A number that is in front of a variable