7th Grade Math 1st Semester Crossword

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Across
  1. 3. The middle number in a data set when values are in order.
  2. 4. Two angles whose sum is 180 degrees.
  3. 5. The price a store pays for an item before marking it up.
  4. 6. Describes how spread out or different the data points are.
  5. 13. The total distance around the outside of a circle.
  6. 16. The distance across a circle through its center.
  7. 17. The distance from the center of a circle to any point on its edge.
  8. 18. The entire group you want information about.
  9. 19. The average of a data set.
  10. 20. A 3D figure with two congruent, parallel bases.
  11. 21. An amount taken off the original price.
Down
  1. 1. A polygon with exactly four sides.
  2. 2. In y = kx, the letter k represents the ___ of proportionality.
  3. 7. The range that measures the middle 50% of a data set.
  4. 8. A sampling flaw that makes it unrepresentative of the population.
  5. 9. The difference between the maximum and minimum values.
  6. 10. To make a conclusion about a population based on sample data.
  7. 11. Opposite angles formed by intersecting lines; they are always equal.
  8. 12. The amount of 3D space an object occupies.
  9. 14. The amount added to the cost of an item to create a profit.
  10. 15. Ratios or fractions that have the same value.
  11. 18. Two quantities with a constant ratio; a straight line through the origin.