Place Value #1

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1234567891011
Across
  1. 3. having a greater value
  2. 5. to combine or put together
  3. 6. writing a number as the sum of the value of the digits
  4. 7. we use symbols to _______ numbers
  5. 8. using rounding or compatible numbers to find a reasonable value close enough to the correct value
  6. 9. writing a number by showing the value of each digit as an addend
  7. 10. a single symbol used to make numbers
  8. 11. the number system we use with 10 as the place value
Down
  1. 1. numbers ordered from the greatest value to the least value
  2. 2. to separate or break apart
  3. 4. placement is every three digits counted from the ones place
  4. 8. numbers that mark the upper and lower choices when rounding on a number line