Math crossword

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Across
  1. 4. the numbers that make up a multiplication.
  2. 5. the result of a division.
  3. 7. A part of a whole represented by a dot before the number.
  4. 11. a mathematical expression with the result indicated by the symbol =.
  5. 12. a collection of symbols that express a quantity.
  6. 13. an expression using the symbol +.
  7. 14. an expression where something doubles or triples.
  8. 15. the measurement of a space or ****.
  9. 16. the measurement of the outside of a shape.
Down
  1. 1. an expression using the symbol -.
  2. 2. a part of a whole number separated by a line.
  3. 3. a symbol for an unknown value.
  4. 6. numbers like 2, 4, 6, 8.
  5. 8. numbers like 1, 3, 5, 7, 9.
  6. 9. A mix of a whole and fraction.
  7. 10. an expression where a total is cut in parts.