Math CrossPuzzle

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Across
  1. 2. to plus some number to another
  2. 4. take away a number
  3. 6. separate or to be separated into parts
  4. 8. to times any numbers
  5. 10. amount of space in 3d object
Down
  1. 1. to study a structure, space, and change
  2. 3. the value of each digit in a number
  3. 5. finding the sum of two or more decimals
  4. 7. a fraction or mixed number or the denominator
  5. 9. a part of whole