CHapter 1

12345678910
Across
  1. 5. proportion of something
  2. 6. is a system of counting that only has ten digits.
  3. 8. the position of a digit in a number determines its value.
  4. 9. an individual item regarded as single.
  5. 10. another term for
Down
  1. 1. is a numeral system with five as the base.
  2. 2. any of the numerals from 0 to 9.
  3. 3. a word expressing a number.
  4. 4. calculate the total number of.
  5. 7. a fraction whose denominator is a power of ten