Number Prefixes: quadr-, tetra-, quint-, penta-, dec-

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123456789101112131415
Across
  1. 4. to totally destroy
  2. 7. to multiply by four (like a recipe)
  3. 8. a sporting competition with five different events
  4. 9. the most perfect or typical example of class or quality
  5. 10. to multiply by 5
  6. 12. one of the four parts of a coordinate plane in math
  7. 14. another word for a four-footed animal
  8. 15. something that happens every four years, like a presidential election
Down
  1. 1. four babies born to the same parents on the same day
  2. 2. a system of government with power divided among four rulers (like a monarchy, but four instead of one)
  3. 3. an animal that walks on four feet
  4. 5. a number system based on the number 10; also, the point you use in math to represent numbers that are not whole numbers (ex: 0.3)
  5. 6. a system of government with five people in charge
  6. 11. a five-sided figure
  7. 13. a group or set of five