# Math 9 Terminology

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## Across

1. the result when two numbers are subtracted

2. a monomial that is a numerical term

4. a single term

6. a triangle with three equal sides

7. a parallelogram with all sides equal

9. a fraction with a whole number and a fraction

10. numbers in the set {...-2, -2, 0, 1, 2, ...}

11. a four-sided figure with one pair of parallel sides

14. an angle less than 90 degrees

17. a fraction with the numerator less than the denominator

19. a four-sided figure with all four sides equal and containing a right angle

22. unknown quantity

24. the number in front of a variable

26. a traingle with no sides equal

30. each of the quantities in an algebraic expression

31. a closed curve such that all points on the curve are the same dstance from its center

32. a comparison of numbers with the same units

37. top part of a fraction

39. the number that occurs most often

40. the middle number when data is arranged in ascending order

42. a fraction with the denominator greater than the numerator

44. equal fractions

45. the process of replacing a variable by a value

46. a triangle with two equal sides

48. two lines that never cross

49. three terms being added or subtracted

50. a four-sided figure with opposite sides equal and parallel and containing a right angle

## Down

1. bottom part of a fraction

3. almost exact

5. another name for average

8. a line segment with end points on a circle and passing through the center of the circle

12. a four-sided figure that has both pairs of opposite sides parallel

13. to divide in half

15. numbers in the set {0, 1, 2, 3...}

16. a mathematical phrase (one or more terms without an equal sign)

18. a superscript that usually means repeated multiplication

20. part of the circumference of a circle

21. 2 items being multiplied

23. an angle equal to 90 degrees

25. 2 items expressed as a ratio

26. figures that have the same shape

27. to determine the vlaue of

28. a polygon with three sides

29. a representation of data in pictorial form

33. the sum of several numbers divided by the amount of numbers

34. an angle greater than 90 degrees

35. line joining the center of a circle to a point on the circumference

36. two terms being added or subtracted

38. perpendicular distance between a base and the opposite vertex

41. numerical or variable expressions linked by an equation sign

43. numbers in the set {1, 2, 3, 4, ...}

47. the result of adding two numbers together

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