Maths Crossword Puzzle

1234567891011121314151617181920
Across
  1. 1. Number we can multiply together to get another number
  2. 4. A whole number greater than 1 and only have factor 1 and itself
  3. 5. A fraction written in digits based of tens
  4. 7. A whole number that has more than two different factors
  5. 9. A numerical quantity that is not a whole number
  6. 12. A number that multiplied by itself to produce specific quantity
  7. 13. The study of mathematical symbols and the rules for manipulating these symbols
  8. 14. Rounding a number to its nearest place value
  9. 15. A whole number that can be divided by 2 and have no remainder
  10. 16. Mathematical expression written in an expanded form.
  11. 17. A value that represents a quantity along a number line
  12. 19. A shortcut of the operation of repeated addition of the same number
Down
  1. 2. The number that multiplies by itself three times to create a cubic value
  2. 3. To rewrite maths expression to less complex form
  3. 6. A whole number that can be positive, negative or zero
  4. 8. Combination of numbers and symbols that show the value of something
  5. 10. Finding what to multiply to give the original number
  6. 11. How many times a number is multiplied by itself
  7. 18. Something close to the correct answer
  8. 20. A whole number that cannot be divided exactly by 2