Crossword puzzle

12345678910111213141516171819
Across
  1. 5. The study of reasoning and how to think clearly.
  2. 9. A sequence of numbers where each number is the sum of the two before it (like 0, 1, 1, 2, 3, 5, 8...).
  3. 10. A number that divides evenly into another number.
  4. 11. A straight path that goes on forever in both directions.
  5. 14. A way to show a part of a whole, out of 100.
  6. 15. A symbol used to count or measure.
  7. 17. The answer you get when you add numbers.
  8. 18. The amount of space a 3D object takes up.
Down
  1. 1. The space between two lines that meet at a point.
  2. 2. A single number symbol, like 0, 1, 2, 3, etc.
  3. 3. A number that uses a decimal point, like 3.14.
  4. 4. A way of writing numbers using only 0 and 1, like in computers.
  5. 6. A visual representation of data, using lines, points, or bars.
  6. 7. Information or facts, often numbers.
  7. 8. Ratio: A special number, about 1.618, found in nature and art.
  8. 12. A math sentence that shows two things are equal.
  9. 13. The amount of space a 2D shape covers.
  10. 14. A special number, about 3.14, used to calculate circles.
  11. 16. The answer you get when you multiply numbers.
  12. 19. The value a sequence or function gets closer and closer to.