Maths crossword

1. a property in addition which states that addition of two whole values will give the result as a whole number
6. A value that can never be negative
7. rule which states the order of operations
8. 4+3 = 7 and 3+4 = 7
9. An increase in one causes a corresponding increase or decrease in the other
10. 3,5,7 is and example of
11. the square of x is = x2
14. Method of seperating numbers name after a Greek mathematician
16. natural numbers
18. something which has a varying value
19. A largest factor present in all the numbers stated
21. numbers that can be represented as a square
22. prime numbers which differ by two

2. numbers divisible by the only even prime number
3. decimals when converted into fractions have the same denominaters, what would you call these fractions
4. line a line used to make calculations easier
5. shifting a term from one side of a equation to another
12. Two word name , was used after names of kings and queens
13. a collection of information
15. 1,2,3
17. brackets used to group things together
20. comparison of 2 quantities