7th Grade Math Vocab II

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Across
  1. 3. the part of a number sentence that combines numbers and operations, but doesn't have an equal sign.
  2. 9. equal
  3. 10. a straight line through a figure from one corner to another corner; slanted
  4. 12. a number times 2
  5. 13. 3.14
  6. 14. A quadrilateral with only one pair of parallel sides
  7. 17. of change the amount that a number
  8. 18. a four-sided polygon
  9. 19. To change an equation, fraction, or other mathematical expression into its most basic form
  10. 20. angle An angle less than 90 degrees
  11. 22. root a number that is multiplied by itself to form a product; the inverse of squaring a number
  12. 23. a symbol (like x or y) that is used in math to represent a number
  13. 25. having all sides or faces equal
  14. 26. angles angles that add up to 90 degrees
  15. 28. segment a part of a line with two endpoints
  16. 29. The distance around a circle
  17. 31. diagram A diagram used to show the total number of possible outcomes
  18. 32. The distance from the center of a circle to a point on the circle; half of the diameter
Down
  1. 1. angle An angle more than 90 degrees
  2. 2. Going straight across from side to side
  3. 4. two ratios (fractions) that are equal
  4. 5. angles two angles that add up to 180 degrees
  5. 6. a number sentence
  6. 7. All whole numbers (both positive and negative) and zero.
  7. 8. Straight up and down
  8. 11. form the form of a fraction when the numerator and denominator have no common factor other than 1
  9. 15. graph a graph that uses horizontal or vertical bars to display data
  10. 16. the flipside of a fraction:
  11. 20. having a common boundary or edge
  12. 21. area the sum of the areas of all the faces of a solid (3-dimensional) figure
  13. 24. A point where two or more straight lines meet.
  14. 27. the distance across a circle through its center
  15. 30. a part of a line that starts at one endpoint and extends forever