chapter one

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Across
  1. 4. the symbol that shows the number on the left side is less than the one on the right
  2. 7. having the same value
  3. 8. the number as a sum that shows the value of each digit
  4. 9. symbol used to write numbers
Down
  1. 1. the symbol that shows the number on the left is greater than the number on the right
  2. 2. a number close to an exact value
  3. 3. the name given to each group of three digits on a place value chart
  4. 5. the usual way of writing numbers
  5. 6. a line with numbers on it in order