Maths crossword

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Across
  1. 2. a mathematical expression with an = sign
  2. 4. another name for subtraction
  3. 6. like repeated adding
  4. 9. a set of ordered pairs
  5. 11. drawing a picture of a relation
  6. 12. an exam we will take in December
  7. 14. something that is always true
  8. 16. a comparison of a number to 100
Down
  1. 1. a guess
  2. 3. a +
  3. 5. a relation where each x has only one y
  4. 7. the title on the green text book on the shelf
  5. 8. an expression with < or >
  6. 10. a -
  7. 13. a single term
  8. 14. a five sided figure
  9. 15. a three sided figure
  10. 16. two of something