Maths practice!

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Across
  1. 2. eighteen minus two
  2. 3. which number is bigger: twelve or twenty?
  3. 5. twenty multiplied by two
  4. 7. four times zero
  5. 10. twenty-eight divided by seven
  6. 13. eighteen divided by six
  7. 14. twenty-four divided by two
  8. 15. sixty, seventy, eighty, __________
Down
  1. 1. what number is between ten and twelve
  2. 4. subtract ten from twelve
  3. 6. twenty take away seven
  4. 8. four times two
  5. 9. ten plus ten
  6. 11. one times one
  7. 12. add three and seven