Th Crossword Puzzle

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Across
  1. 2. Another word for honest
  2. 4. The position in a sequence after the fourth
  3. 5. To use the mind to consider ideas or solve problems
  4. 6. A hard structure in the mouth used for biting or chewing
  5. 7. The study of numbers, quantities, and shapes
Down
  1. 1. A long-distance race of 26.2 miles
  2. 3. In a state of good physical or mental condition
  3. 5. Having little thickness
  4. 6. A sharp protective spine on a plant