Maths

1. A whole number greater than 1 and only have factor 1 and itself
6. To rewrite maths expression to less complex form
8. Something close to the correct answer
9. A number that multiplied by itself to produce specific quantity
11. Combination of numbers and symbols that show the value of something
12. A shortcut of the operation of repeated addition of the same number
13. A whole number that can be divided by 2 and have no remainder
17. The number that multiplies by itself three times to create a cubic value
18. Mathematical expression written in an expanded form.
20. A numerical quantity that is not a whole number

2. A whole number that can be positive, negative or zero
3. A whole number that has more than two different factors
4. Number we can multiply together to get another number
5. Rounding a number to its nearest place value
7. Finding what to multiply to give the original number
10. A value that represents a quantity along a number line
14. How many times a number is multiplied by itself
15. A fraction written in digits based of tens
16. The study of mathematical symbols and the rules for manipulating these symbols
19. A whole number that cannot be divided exactly by 2