## Math Terms

##### Across
1. 4. Bisector
2. 5. Equation - An equation that can be written with one side equal to 0. Asks you to find the quadratic polynomial that is equal to zero.
3. 6. Equation - An equation whereby letters represent real numbers and whose graph is a line.
4. 8. - The value of X when the line or curve intersects or crosses the x axis.
5. 10. Fraction - A fraction where the denominator is greater than the numerator.
6. 11. - The vertical axis in a coordinate plane.
7. 16. Number - A number less than zero. For instance - a decimal .10
8. 19. - A line segment from the center of a circle to any point on the circle. Or the line from the center of a sphere to any point on the outside edge of the sphere. The radius is the distance from the center of a circle/sphere to the outside edge.
9. 22. Calculator - A larger screen calculator that's capable of showing/drawing graphs and functions.
10. 24. - The slope shows the steepness or incline of a line, determined from two points on the line.
11. 27. - The Median is the 'middle value' in your list or series of numbers. When the totals of the list are odd, the median is the middle entry in the list after sorting the list into increasing order. When the totals of the list are even, the median is equal to the sum of the two middle (after sorting the list into increasing order) numbers divided by two.
12. 29. - A polynomial having a degree of 5.
13. 33. - A measure of length. 2.5cm is approximately an inch. A metric unit of measurement.
14. 34. - A straight line with one endpoint. The line extends infinitely.
15. 36. - The ratio of the length (in a right triangle) of the side adjacent to an acute angle to the length of the hypotenuse
16. 39. - The number that is doing the dividing. The number found outside of the division bracket.
17. 45. - A line segment that connects two vertices in a polygon.
18. 47. Diagram - A Venn diagram is often two circles (can be other shapes) that overlap. The overlapping part usually contains information that is pertinent to the labels on both sides of the Venn diagram. For instance: one circle could be labeled 'Odd Numbers', the other circle could be labeled 'Two Digit Numbers' the overlapping portion must contain numbers that are odd and have two digits. Thus, the overlapping portions shows the relationship between the sets. (Can be more than 2 circles.)
19. 48. - The ratio/likelihood of an event in probability happening. The odds of flipping a coin and having it land on heads has a 1-2 chance.
20. 50. - The sum obtained when any two or more numbers are multiplied together.
21. 51. - The operation of finding the difference between two numbers or quantities. A process of 'taking away'.
22. 52. of Operations - A set of rules used to solve mathematical problems. BEDMAS is often the acronym used to remember the order of operations. BEDMAS stands for 'brackets, exponents, division, multiplication, addition and subtraction.
23. 57. - A reflection of a two dimensional shape, a mirror image of a shape.
24. 58. Arithmetic - a system of arithmetic for integers, where numbers "wrap around" upon reaching a certain value of the modulus.
25. 60. Number - A whole number doesn't contain a fraction. A whole number is a positive integer which has 1 or more units and can be positive or negative.
26. 61. - A mirror image of a shape or an object. Obtained from flipping the image/object.
27. 62. - A curve formed by an interlacing piece of spring by joining the ends.
28. 65. - To calculate the numerical value.
29. 67. - A line that crosses/intersects two or more lines.
30. 73. - An equation that is true for values of their variables.
31. 75. - A four (quad) sided polygon/shape.
32. 76. - The complete distance around a circle or a square.
33. 77. - A mathematical equation containing either a greater than, less than or not equal to symbols.
34. 81. - A unit of measurement - the side length of one square of an acre.
35. 83. Number - A whole number that is not divisible by 2.
36. 85. - A Three dimensional shape with a parallel circle and each end and joined by a curved surface.
37. 86. - Often referred to as 'fast adding'. Multiplication is the repeated addition of the same number 4x3 is the same as saying 3+3+3+3.
38. 87. - The top number in a fraction. In 1/2, 1 is the numerator and 2 is the denominator. The numerator is the portion of the denominator.
39. 90. - A number which is involved in addition.
40. 94. - The total distance around the outside of a polygon. The total distance around is obtained by adding together the units of measure from each side.
41. 97. and Whisker Plot/Chart - A graphical representation of data that spots differences in distributions. Plots the ranges of data sets.
42. 99. - A five sided polygon. Regular pentagons have five equal sides and five equal angles.
43. 101. - The face refers to the shape that is bounded by the edges on a 3 dimensional object.
44. 102. - A ratio or fraction in which the second term on denominator is always 100.
45. 105. Angles - Two angles are supplementary if their sum totals 180Â°.
46. 106. - Often refers to the outcome of probability.
47. 108. Root - The nth root of a number is the number needed to multiply by itself 'n' times in order to get that number. For instance: the 4th root of 3 is 81 because 3 X 3 X 3 X 3 = 81.
48. 109. Sequence - A sequence whereby each number is the sum of the two numbers preceding it.
49. 111. - The solution to a division problem.
50. 112. - A way of writing numbers that are not whole numbers. The fraction is written like 1/2.
51. 113. - The ordered pair that states the location on a coordinate plane. Used to describe location and or position.
52. 115. - A three dimensional shape with only one vertex, having a circular base.
53. 116. - The number that gives reference to the repeated multiplication required. The exponent of 34 is the 4.
54. 118. - The process of breaking numbers down into all of their factors.
55. 119. - All sides are equal.
56. 124. - A polygon having two sides equal in length.
57. 127. - The branch of mathematics involving derivatives and integrals. The study of motion in which changing values are studied.
58. 128. - A graph that uses bars where each bar equals a range of values.
59. 130. - A symbol most often used to represent an unknown quantity in an equation.
60. 131. - An ellipse looks like a slightly flattened circle. A plane curve. Orbits take the form of ellipses.
61. 132. - When a set of points joined together form a flat surface, the plan can extend without end in all directions.
62. 135. - The number of times an event can happen in a specific period of times. Often used in probability.
63. 137. - A parallelogram with four equal sides, sides are all the same length.
64. 138. - Digits are making reference to numerals. 176 is a 3 digit number.
65. 139. - The value of y when the line or curve intersects or crosses the y axis.
66. 141. - A chord that passes through the center of a circle. Also the length of a line that cuts the shape in half.
67. 143. - All the same. Having the same in size, texture, color, design etc.
68. 144. - A polygon/shape that has ten angles and ten straight lines.
69. 145. - When an angle in a right angle is X, the tangent of x is the ratio of lengths of the side opposite x to the side adjacent to x.
70. 149. Value - Always a positive number, refers to the distance of a number from 0, the distances are positive.
71. 151. - A value that doesn't change.
72. 152. Angle - An angle having a measure greater than 90Â° and up to 180Â°.
73. 155. Tree - A graphical representation showing the factors of a specific number.
74. 158. - The study of lines, angles, shapes and their properties. Geometry is concerned with physical shapes and the dimensions of the objects.
75. 160. or PEDMAS Definition
76. 161. - A polygon with 8 sides.
77. 162. - A straight infinite path joining an infinite number of points. The path can be infinite in both directions.
78. 163. - Two halves which match perfectly.
79. 164. Root- To square a number, you multiply it by itself. The square root of a number is the value of the number when multiplied by itself, gives you the original number. For instance 12 squared is 144, the square root of 144 is 12.
80. 165. Angle - An angle that is 90Â°.
81. 166. - The multiple of a number is the product of the number and any other whole number. (2,4,6,8 are multiples of 2)
82. 167. Triangle - A triangle with 3 unequal sides.
83. 168. - Two dimensional shapes are often referred to as figures.
84. 169. Curve or Normal Distribution
##### Down
1. 1. - A semi-circle device used for measuring angles. The edge is subdivided into degrees.
2. 2. - The unit of an angle, angles are measured in degrees shown by the degree symbol: Â°
3. 3. Theory - A branch of mathematics focusing on the properties of a variety of graphs.
4. 4. questions like 'What is the probability the spinner will land on red?'
5. 7. A unit of measure. A yard is approximately 91.5 cm. A yard is also 3 feet.
6. 8. - The roman numeral for 10.
7. 9. - A factor of the term. x is the coefficient in the term x(a + b) or 3 is the coefficient in the term 3y.
8. 12. - The horizontal axis in a coordinate plane.
9. 13. Terms - Terms with the same variable and the same exponents/degrees.
10. 14. - The longest side of a right angled triangle. Always the side that's opposite of the right angle.
11. 15. - A measure of how heavy something is.
12. 17. - Line segments joined together to form a closed figure. Rectangles, squares, pentagons are all examples of polygons.
13. 18. - A written symbol referring to a number.
14. 20. - Sound reasoning and the formal laws of reasoning.
15. 21. Numbers - Prime numbers are integers that are greater than 1 and are only divisible by themselves and 1.
16. 23. - A parallelogram which has four right angles.
17. 25. - A unit of measure that equals 1000 meters.
18. 26. - The number that is being divided. The number found inside the bracket.
19. 28. - The mean or the average - an established pattern or form.
20. 30. Number - A number that can be divided or is divisible by 2.
21. 31. - The difference is what is found when one number is subtracted from another. Finding the difference in a number requires the use of subtraction.
22. 32. p - The symbol for Pi is actually a greek letter. Pi is used to represent the ratio of a circumference of a circle to its diameter.
23. 35. - To multiply or to be multiplied by 4.
24. 37. - Refers to either addition, subtraction, multiplication or division which are called the four operations in mathematics or arithmetic.
25. 38. Numbers - Regular counting numbers.
26. 40. - A number that cannot be represented as a decimal or as a fraction. A number like pi is irrational because it contains an infinite number of digits that keep repeating, many square roots are irrational numbers.
27. 41. - A type of curve, any point of which is equally distant from a fixed point, called the focus, and a fixed straight line, called the directrix.
28. 42. - Used usually in probability to refer to the outcome of an event.
29. 43. - A line that joins a polygon or the line (edge) where two faces meet in a 3 dimensional solid.
30. 44. Angles - The two angles involved when the sum is 90Â°.
31. 46. Decimal - A decimal with endlessly repeating digits. E.g., 88 divided by 33 will give a 2.6666666666666
32. 47. - When a letter is used to represent a number or number in equations and or expressions. E.g., in 3x + y, both y and x are the variables.
33. 49. - A general description of properties that cannot be written in numbers.
34. 53. - The number that is left over when the number cannot be divided evenly into the number.
35. 54. Point - The 'point' at which a line or a curve ends.
36. 55. - Symbols that represent numbers or operations. A way of writing something that uses numbers and symbols.
37. 56. - A quantity multiplied by another. A product is obtained by multiplying two or more multiplicands.
38. 59. - An algebraic term. The sum of 2 or more monomials. Polynomials include variables and always have one or more terms.
39. 63. - The likelihood of an event happening.
40. 64. - Ordinal numbers refer to the position: first, second, third etc.
41. 66. - One type of conic section. The hyperbola is the set of all points in a plane. The difference of whose distance from two fixed points in the plane is the positive constant.
42. 68. - A rule that describes the relationship of two or more variables. An equation stating the rule.
43. 69. Diagram - Used in probability to show all of the possible outcomes or combinations of an event.
44. 70. - A statement showing the equality of two expressions usually separated by left and right signs and joined by an equals sign.
45. 71. - A quadrilateral that has both sets of opposite sides that are parallel.
46. 72. - The relation between to quantities. Ratios can be expressed in words, fractions, decimals or percents. E.g., the ratio given when a team wins 4 out of 6 games can be said a 4:6 or four out of six or 4/6.
47. 74. - When two lines or line segments intersect and form right angles.
48. 78. - A power to which a base, [actually 10] must be raised to produce a given number. If nx = a, the logarithm of a, with n as the base, is x.
49. 79. - A term used in geometry. Often called a slide. The figure or shape is moved from each point of the figure/shape in the same direction and distance.
50. 80. - The denominator is the bottom number of a fraction. (Numerator is the top number) The Denominator is the total number of parts.
51. 82. Fraction - A fraction whereby the denominator is equal to or greater than the numerator. E.g., 6/4
52. 84. - The mode in a list of numbers refers to the list of numbers that occur most frequently. A trick to remember this one is to remember that mode starts with the same first two letters that most does. Most frequently - Mode.
53. 88. - An algebraic equation with 3 terms - polynomial.
54. 89. - A quadrilateral with exactly two parallel sides.
55. 91. Number - A composite number has at least one other factor aside from its own. A composite number cannot be a prime number.
56. 92. - The amount a container will hold.
57. 93. Graph
58. 95. Angle - The measure of an angle with a measure between 0Â° and 90Â° or with less than 90Â° radians.
59. 96. Notation - Often in combinatorics, you will be required to multiply consecutive numbers. The symbol used in factorial notation is ! When you see x!, the factorial of x is needed.
60. 98. - The mean is the same as the average. Add up the series of numbers and divide the sum by the number of values.
61. 100. - Congruent plane figures/shapes that cover a plane completely without overlapping.
62. 103. A point of intersection where two (or more) rays meet, often called the corner. Wherever sides or edges meet on polygons or shapes. The point of a cone, the corners of cubes or squares.
63. 104. - An area between an arc and two radii of a circle. Sometimes referred to as a wedge.
64. 107. - Whole numbers, positive or negative including zero.
65. 110. - Objects and figures that have the same size and shape. The shapes can be turned into one another with a flip, rotation or turn.
66. 114. - Often referred to in elementary school math. A flattened 3-D shape that can be turned into a 3-D object with glue/tape and folding.
67. 117. being added are considered to be the addends.
68. 120. - A point that is exactly half way between two set points.
69. 121. Numbers - Mixed numbers refer to whole numbers with fractions or decimals. Example 3 1/2 or 3.5.
70. 122. - A six sided and six angled polygon. Hex means 6.
71. 123. Common Factor - The largest number common to each set of factors that divides both numbers exactly. E.g., the greatest common factor of 10 and 20 is 10.
72. 125. furlong is approximately 1/8 of a mile, 201.17 meters and 220 yards.
73. 126. - A standard quantity used in measurement. An inch is a unit of length, a centimeter is a unit of length a pound is a unit of weight.
74. 129. - The difference between the maximum and the minimum in a set of data.
75. 133. Factors - A factor of two or more numbers. A number that will divide exactly into different numbers.
76. 134. - A polynomial having a degree of 4.
77. 136. - One quarter (qua) of the plane on the Cartesian coordinate system. The plane is divided into 4 sections, each section is called a quadrant.
78. 140. - Three sided polygon.
79. 142. - An algebraic expression consisting of a single term.
80. 146. Line - A line in which points all correspond to numbers.
81. 147. - The segment which joins two points on a circle.
82. 148. - A real number on the base ten standard numbering system.
83. 150. - An early counting tool used for basic arithmetic.
84. 153. 10
85. 154. - A unit of measure. The amount of cubic units that occupy a space. A measurement of capacity or volume.
86. 155. - Not infinite. Finite has an end.
87. 156. and Leaf - A graphic organizer to organize and compare data. Similar to a histogram, organizes intervals or groups of data.
88. 157. Section - The section formed by the intersection of a plane and a cone.
89. 159. - A part of an algebraic equation or a number in a sequence or a series or a product of real numbers and/or variables.