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Across 6. A numerical factor in a term of an algebraic expression. 7. A triangle whose sides are all the same length. (2 Words) 9. A triangle with no angle measuring 90º or more. (2 Words) 10. An angle measuring exactly 180 degrees. (2 Words) 14. Two angles are complementary if they add up to 90° (right angle). (2 Words) 16. A fee charged by a broker or agent for his/her service in facilitating a transaction. 20. The distance of a number from zero (2 Words) 21. The amount by which a price is reduced. 22. A special ratio in which the two terms are in different units. 23. The distance around a circle, which equals a little more than three times its diameter. 24. A ratio comparing a number to 100. 27. The total area of the faces (including the bases) and curved surfaces of a solid figure. (2 Words) 28. An average; a single value that is used to represent a collection of data. Three commonly used types of averages are mode, median, and mean. (Also called measures of central tendency or measures of average.) (3 Words) 30. A statement that shows two mathematical expressions are equal. 32. A pair of numbers that gives the coordinates of a point on a grid in this order (horizontal coordinate, vertical coordinate). Also known as a coordinate pair. (2 Words) 34. Two angles in a plane that have a common vertex and a common side. (2 Words) 36. A closed figure formed from line segments that meet only at their endpoints. 37. The act or process of deriving logical conclusions from premises known or assumed to be true. 38. An amount added to the cost price to determine the selling price; broadly: profit 39. A diagram that represents numbers as points on a line. (2 Words) 41. An event that is most likely to happen. (2 Words) 43. A set of outcomes to which a probability is assigned. 44. A pictorial device used to show a numerical relationship. 45. A variable or combination of variables, numbers, and symbols that represents a mathematical relationship. 46. The number of times an event occurs within a specific time period. 50. The entire collection of items that is the focus of concern. 51. To find a number close to an exact amount; an estimate tells about how much or about how many. 52. Something given voluntarily or beyond obligation usually for some service: tip. 53. A drawing that represents a mathematical situation. 54. The science of collecting, organizing, representing, and interpreting data. 55. The result of the division of one quantity by another. 56. Two numbers that are equal distance from zero on a number line 57. An integer that divides evenly into another.

Down 1. A triangle that has one 90º angle. (2 Words) 2. An angle more than 0 degrees but less than 90 degrees (2 Words) 3. A measure of how much a collection of data is spread out. Commonly used types include range and quartiles. (Also known as spread or dispersion.) (3 Words) 4. In statistics, the absolute deviation of an element of a data set is the absolute difference between that element and a given point. (3 Words) 5. The set of whole numbers and their opposites. 8. A 3-dimensional figure that has two congruent and parallel faces that are polygons. The remaining faces are parallelograms. 11. A decimal in which one or more digits repeat infinitely (2 Words) 12. To state in advance on the basis of observation, experience, or scientific reason. 13. The chance that a particular outcome will occur, measured as a ratio of the total possible outcomes. 14. A fraction that contains one or more fractions in the numerator, the denominator, or both. (2 Words) 15. The opposite of a number (2 Words) 16. An ordered pair of numbers that identify a point on a coordinate plane. 17. A quick method for calculating the interest charge on a loan. (2 Words) 18. The area created by a plane cutting through a solid. (2 Words) 19. A triangle that has no congruent sides. (2 Words) 23. The distance around a circle, which equals a little more than three times its diameter. 25. Information, especially numerical information. Usually organized for analysis. 26. An angle measuring more than 90 degrees but less than 180 degrees. (2 Words) 29. Two or more independent events considered together. (2 Words) 31. A standard procedure suitable for dividing simple or complex multi-digit numbers. (2 Words) 33. The set of all possible outcomes of a random process (2 Words) 35. The measure, in square units, of the interior region of a 2-dimensional figure or the surface of a 3-dimensional figure. 40. An angle measuring exactly 90 degrees. (2 Words) 42. An equation that states that two ratios are equivalent. 47. A polyhedron whose base is a polygon and whose other faces are triangles that share a common vertex. 48. To find the value of a mathematical expression. 49. A reference line from which distances or angles are measured in a coordinate grid. (plural – axes)