math cross word

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Across
  1. 4. the extent or measurement of a surface or piece of land.
  2. 6. straight line that reaches from one point on the edge of a round shape or object,
  3. 10. formed when two straight lines or rays meet at a common endpoint.
  4. 14. the space occupied within the boundaries of an object in three-dimensional space.
  5. 15. the measurement or extent of something from side to side.
  6. 17. take away
  7. 18. number, leave a remainder of 1 when divided by two
  8. 19. a part of a whole
  9. 21. the measurement from base to top
Down
  1. 1. root, the factor that we can multiply by itself to get that number.
  2. 2. relation between two amounts showing the number of times one value contains or is contained within the other.
  3. 3. helps represent problems or situations in the form of mathematical expressions
  4. 5. number, a whole number greater than 1
  5. 7. equal in value, amount, function, meaning
  6. 8. any of the line segments from its center to its perimeter
  7. 9. sizes, shapes, positions, angles, and dimensions of things.
  8. 11. the measurement or extent of something from end to end
  9. 12. separating something into parts
  10. 13. relations of the sides and angles of triangles and with the relevant functions of any angles.
  11. 16. add
  12. 20. one part in every hundred.