7th Grade Math Vocabulary

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Across
  1. 7. The outside of the circle
  2. 9. angle, an angle that measures less than 90 degrees
  3. 10. The longest side of the triangle
  4. 13. 3.14
  5. 15. angle, An angle that measures more than 90 degrees but less than 180 degrees
  6. 18. A ratio that compares a number to 100
  7. 20. angles, Two angles whose sum is 180 degrees
Down
  1. 1. having the same size and shape
  2. 2. A straight line passing from side to side through the center of a circle or sphere
  3. 3. Parentheses, Exponents, Multiplication, Division, Addition, Subtraction
  4. 4. greatest common factor, The largest factor that two or more numbers have in common.
  5. 5. angles, A pair of opposite congruent angles formed by intersecting lines
  6. 6. A straight line from the center to the circumference of a circle or sphere
  7. 8. angle, an angle that measures 90 degrees
  8. 11. Theorem, The sum of the squares on the legs of a right triangle is equal to the square on the hypotenuse
  9. 12. angles, Two angles whose sum is 90 degrees
  10. 14. all whole numbers (both positive and negative) and zero
  11. 16. The relationship of one thing to another in size, amount
  12. 17. a comparison of two quantities by division
  13. 19. A mathematical sentence that shows that two expressions are equivalent