Maths crossword

6. Study of sizes, shapes, positions, angles, and dimensions.
7. A number or algebraic expression that divides another number or expression evenly, with no (answer 16).
9. Method of expressing large numbers in terms of powers.
11. A flat shape with four straight sides.
16. The number left over when a quantity cannot be divided evenly.
17. An acronym to help children remember the order of mathematical operations.
18. Repeated addition of the same number.
20. A fraction that is shown point followed by the number of tenths, hundredths, etc.
21. A letter or number representing a numerical quantity attached to a term.

1. The circumference of any plane area.
2. A (answer 11) with two sets of opposite sides that are parallel.
3. A metric unit of measurement for length.
4. Two lines or line segments intersecting to form a right angle.
5. Mathematics that includes the operations of numbers.
8. A (answer 7) of a number that, when multiplied by itself, gives the original number.
10. A term used to describe a shape whose sides are all of equal length.
12. A polygon with two sides of equal length.
13. Mathematics where letters and symbols are used to represent numbers
14. The bottom number of a fraction.
15. A synonym of the word sum.
19. A whole number.