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2. A water tank hold 10kl of water. Calculate how many 250ml of bottles can be filled from this tank.
5. (14+14)x(10÷2)-40
7. A line segment joining two points on any curve and does not goe through the center of the circle.
11. This means a thousand in Greek.
12. Number of rotational symmetry of a circle
13. A decreased size of a shape with sides in the same proportion as the original.
15. 3D object that has two identical parallel faces that are polygons.
16. A pyramid made of four identical triangles.
19. How a country manages its money and goods.
20. Operation such as payments and purchases on an account.

1. The opposite angle of a reflex angle.
3. (12 of 24)x48+6-30
4. The same realtive amount or ratio.
6. The lengths of the sides of any shape.
7. The term used to measure the weight of gemstones.
8. This word means hundred in Latin
9. A data set with three modes.
10. The activity you do in an experiment.
14. A flat pattern that you can cut out fold and glue together to make a model of a 3D object.
17. The line from the circumference of a circle, through the center of the circle which end on the oppsite circumference.
18. An angle smaller than a right angle.