8th Grade Summer School Vocabulary Crossword

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Across
  1. 3. A number being multiplied by the variable in an algebraic expression.
  2. 6. A picture with two parallel columns that display domain and range.
  3. 8. A 3-D shape with two parallel, congruent bases; all other faces are parallelograms.
  4. 11. A type of dilation where the shape gets smaller.
  5. 12. The square of the hypotenuse (c) of a right triangle is equal to the sum of the squares of the legs (a and b).
  6. 13. A 3-D shape with all points an equal distance from the center.
  7. 15. A line that intersects two or more other lines.
  8. 18. The number of cubic units needed to fill the space occupied by a solid.
  9. 22. A 3-D shape with a circular base, a curved surface, and one vertex.
  10. 23. The ratio of the circumference of a circle to its diameter (approximately equal to 3.14).
  11. 24. An angle with a measure of more than 90º but less than 180º.
  12. 25. A number that does not vary.
  13. 27. A type of dilation where the shape gets bigger.
  14. 28. Two figures that are the same shape, have congruent angles, and proportional side lengths.
  15. 29. The common ratio for pairs of corresponding sides of similar figures.
  16. 31. A relationship between sets of inputs having one output each.
  17. 32. A mathematical sentence stating that two expressions are equal.
Down
  1. 1. The steepness of a line.
  2. 2. An interest charge that is calculated using the principal only.
  3. 4. An interest charge that is calculated on the principal amount and the accumulated interest of previous periods.
  4. 5. A letter or symbol used to represent a number.
  5. 7. A transformation that produces a figure similar to the original by proportionately reducing or enlarging the figure.
  6. 9. An angle with a measure of more than 0º but less than 90º.
  7. 10. A line of reasoning used to validate an idea.
  8. 12. A 3-D shape whose base is a polygon and whose faces are triangles.
  9. 14. A mathematical sentence stating that two ratios are equal.
  10. 16. Two lines in the same plane that never intersect.
  11. 17. A 3-D figure with 2 parallel bases that are congruent circles.
  12. 19. A triangle with one right angle.
  13. 20. In a right triangle, the side opposite the right angle.
  14. 21. The total area of the surface of a 3-D object.
  15. 26. Where a graph crosses the y-axis.
  16. 30. Having the same size and shape.