Mathemagic

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Across
  1. 3. (Roman Numeral) 742
  2. 7. Operation signified by the "plus" sign (+)
  3. 8. Numeral system
  4. 9. Approximate
  5. 10. (Place Value of 3) 19049.2397
  6. 12. In order to add or subtract the decimals properly the decimal points must be _____
  7. 13. Process of taking away numbers
  8. 14. (Place Value of 9) 181,790,282,465
  9. 15. Splitting to equal parts or groups
  10. 16. Least to greatest
  11. 18. Process of multiplying
  12. 19. Greatest to least
  13. 20. any number added or subtracted is the number itself
  14. 22. Tells how many times you will use the base as the multiplier
  15. 23. The answer o result in division
  16. 24. <
Down
  1. 1. Answer or result in multiplication
  2. 2. Leftover in division
  3. 4. =
  4. 5. >
  5. 6. Changing the order of the multiplicands does not affect the sum
  6. 8. Round ____ if the number to its right is 0,1,2,3,4
  7. 11. Changing the grouping of the addends does not affects the answer
  8. 17. Round __ if the number to its right is 5,6,7,8,9
  9. 21. Answer or result in subtraction