Mechanical Mathematics

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Across
  1. 2. This is the name used for HTh in place value.
  2. 4. This tells you have many pieces make up a whole.
  3. 8. A word used to indicate that you need to multiply by two.
  4. 12. A clock that uses numbers instead of hands to show time.
  5. 14. This stands for after noon.
  6. 15. This is when you break up a number according to the place value of the digits.
  7. 17. This means to show one number is more than, less than or equal to another number.
  8. 20. A term used to represent 2 weeks.
  9. 21. This is a term used when you minus numbers from each other.
  10. 22. A clock with rotating hands and numbers.
Down
  1. 1. This represents the actual value of a digit.
  2. 3. This means to arrange numbers from the greatest to the smallest value.
  3. 5. This stands for before noon.
  4. 6. This is when you add numbers together.
  5. 7. This tells you how many pieces you have from a whole.
  6. 9. This operation uses DMSBR to work out the answer.
  7. 10. This deals with the position of the digit in a whole number.
  8. 11. A term used to represent 10 years.
  9. 13. This stands for Brackets Of Division Multiplication Addition and Subtraction.
  10. 16. This is the name used for T in place value.
  11. 18. This means to arrange numbers from the smallest to the largest value.
  12. 19. This is another term used when you times numbers together.