Mathematics year 3

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Across
  1. 2. twenty divided by two
  2. 4. Thirty plus seventy
  3. 6. short hands at nine, long hands at twelve
  4. 8. Fifteen multiplied by two
  5. 9. Fifth month in a year
  6. 10. quarter hour
Down
  1. 1. One hundred eight divided by four
  2. 3. three multiplied three
  3. 4. one over two same with
  4. 5. Twenty multiplied by two
  5. 7. tissue box shape