Whole numbers crossword

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Across
  1. 3. Numbers we can multiply together to get another number.
  2. 8. The Law that says you can swap numbers around and still get the same answer when you add or multiply. 2 words
  3. 10. The result of subtracting one number from another.
  4. 11. when writing an index as a repeated multiplication. 2 words
  5. 14. A whole number that can be made by multiplying other whole numbers. 2 words
  6. 15. A whole number greater than 1 that can not be made by multiplying other whole numbers. 2 words
  7. 19. When adding or multiplying numbers it doesn't matter how we group the numbers (i.e. which we calculate first). 2 words
Down
  1. 1. the resulting number when an index has been calculated. 2 words
  2. 2. another word for index and power
  3. 4. taking a number to the power of 3
  4. 5. taking a number to the power of 2
  5. 6. The result of multiplying numbers
  6. 7. The result of multiplying a number by an integer
  7. 9. The __ of a number says how many times to use the number in a multiplication.
  8. 12. multiplying a number by a group of numbers added together is the same as doing each multiplication separately. 2 words
  9. 13. The result of adding numbers
  10. 16. The number that gets multiplied when using an exponent.
  11. 17. the same
  12. 18. Finding what to multiply to get an expression.