3 Digit Addition

1234567891011121314
Across
  1. 4. Uniting different numbers into a single total
  2. 7. Writing a number to show the value of each digit
  3. 10. The amount by which a number increases
  4. 11. A number added to another number to form a sum
  5. 13. A line on which numbers can be placed in order
  6. 14. The final amount after adding all the parts together
Down
  1. 1. The value of a digit based on its place in a number
  2. 2. Splitting numbers into simpler parts
  3. 3. A numeric symbol used to represent numbers
  4. 5. Combining two or more numbers to get a total
  5. 6. A rectangular model used to show number relationships
  6. 8. A mathematical statement using numbers and symbols
  7. 9. A statement showing equality of two expressions
  8. 12. The total after adding two or more numbers