Unit 6 The Origin of Numbers

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1234567891011121314151617
Across
  1. 2. A little clay _________ meant a sheep.
  2. 3. v. to exchange; to buy and sell
  3. 4. A little clay ________ meant a pig.
  4. 7. The Sumerians were the first to write numbers by using ________.
  5. 10. _________ numbers use letters from their alphabet.
  6. 11. Today, we use __________ numbers.
  7. 13. n. moist earth; mud
  8. 15. v. to have the exact size of something
  9. 16. v. to have actual being; to live
Down
  1. 1. n. a record of the number or amount
  2. 3. West Asia used ________ to count all the different things they traded.
  3. 5. adj. very old
  4. 6. n. a period in history marked by the use of stone tools and weapons
  5. 8. v. to understand completely
  6. 9. n. the leader of a group of people
  7. 12. n. letters, figures, or characters used to represent something else
  8. 14. v. to cut on a surface
  9. 17. n. a group of people or villagers that live together