Math Crossword

2. A time period of 24 hours. There are 7 days in a week
3. To work out the value of something.
5. To divide an angle or shape exactly in half.
7. If you can place a shape exactly on top of another then they are said to be congruent.
9. Two expressions which have the same value.
10. Amount of space a shape takes up
12. To multiply out brackets in an expression.
15. Subtract the smaller value from the larger value to find the difference between two numbers
18. The number in front of an algebraic symbol.
20. A way of remembering the order in which operations are carried out
21. A collection of terms which can contain variables (letters) and numbers.
22. A value that is close to the actual value of a number

1. A letter or symbol whose value always stays the same.
2. How data is shared or spread out
4. To find an approximate answer to a more difficult problem.
5. Used to determine the order in which operations are carried out.
6. Formed when two straight lines cross each other
8. The distance across a circle which passes through the centre
11. A value to best represent a set of data
13. Any number which is a multiple of 2. Even numbers always end in 2, 4, 6, 8 or 0.
14. A three digit angle measured from north in a clockwise direction
16. Part of a circumference
17. The perimeter of a circle.
19. The bottom part of a fraction