Mini-project for teacher

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Across
  1. 3. Rate / Which one is a better price?
  2. 5. / What is x called?
  3. 7. / A>B
  4. 9. / Space inside of a 2d figure
  5. 11. / 3.14
  6. 15. / Bottom number on a fraction
  7. 16. / 4x-7=1 What is the 7?
  8. 17. / Diameter times pi equals?
  9. 18. / Number on top of a fraction
  10. 19. / 7-8x*9=-137 What is that called?
Down
  1. 1. value / What is the distance from 0 called?
  2. 2. / 25% and 75% on box and whisker box plot
  3. 4. / 4x-7=1 What is the 4?
  4. 5. / Space inside of a 3d figure or object
  5. 6. / Product of addition
  6. 8. / 81 to 9 or 9 to 1
  7. 10. / Length from the middle of a circle to the edge
  8. 12. / Add all the numbers up on a chart and divide them by how many numbers there were
  9. 13. / Word for subtracting
  10. 14. / Product of multiplication