Math Crossword Puzzle

12345678910
Across
  1. 3. Ten minus nine
  2. 5. Statement of numbers with operations between them
  3. 6. Same in quantity
  4. 9. Two plus six
  5. 10. Five plus five
Down
  1. 1. Statement of two mathematical expressions are equal
  2. 2. Break a number apart
  3. 4. Ten minus six
  4. 7. Combining two or more numbers
  5. 8. Removal of objects from a collection