Mathematics Vocabulary Grade 7 Absolute value How far

Mathematics Vocabulary - Grade 7 Absolute value How far a number is from zero ©Partners for Learning, Inc.

Mathematics Vocabulary - Grade 7 algebra An area of mathematics where letters represent unknown numbers ©Partners for Learning, Inc.

Mathematics Vocabulary - Grade 7 algebraic equation A math sentence with variables, numbers, at least one operation, and an equal sign. ©Partners for Learning, Inc.

Mathematics Vocabulary - Grade 7 annual Two examples of an annual events are your birthday or the first day of school because these days only happen once a year. Something that happens once a year ©Partners for Learning, Inc.

Mathematics Vocabulary - Grade 7 associative In addition and subtraction, no matter how the numbers are grouped, the answer will always be the same. ©Partners for Learning, Inc.

Mathematics Vocabulary - Grade 7 bill Sample cell phone bill: A written statement of how much money is owed for items purchased or services provided ©Partners for Learning, Inc.

Mathematics Vocabulary - Grade 7 box-and-whisker plot Tree Heights (measured in feet) A diagram that summarizes data using the median, the upper and lower quartiles, and the extreme values. a box is drawn around the quartile values and whiskers extend from each quartile to the extreme data points. ©Partners for Learning, Inc.

Mathematics Vocabulary - Grade 7 center Center of a circle The middle. Such as the center of a circle or square ©Partners for Learning, Inc.

Mathematics Vocabulary - Grade 7 Circumference The distance around a circle; the perimeter of a circle ©Partners for Learning, Inc.

Mathematics Vocabulary - Grade 7 common factor A whole number that divides exactly into two (or more) other numbers ©Partners for Learning, Inc.

Mathematics Vocabulary - Grade 7 compute Example of compute: To solve problems that use numbers ©Partners for Learning, Inc.

Mathematics Vocabulary - Grade 7 constant In these equations, 5 is a constant, but x and y are variables. 5 stays the same but x and y can change. A quantity having a fixed value that does not change or vary, such as a number ©Partners for Learning, Inc.

Mathematics Vocabulary - Grade 7 cubic centimeter (Not actual size) A unit of volume that is made by a cube that is 1 centimeter on each side. ©Partners for Learning, Inc.

Mathematics Vocabulary - Grade 7 cubic feet A unit of volume that is made by a cube that is 1 foot on each side ©Partners for Learning, Inc.

Mathematics Vocabulary - Grade 7 cubic meter (Not actual size) A unit of volume that is made by a cube that is 1 meter on each side ©Partners for Learning, Inc.

Mathematics Vocabulary - Grade 7 cubic millimeter 1 millimeter (Not actual size) A unit of volume that is made by a cube that is 1 millimeter on each side ©Partners for Learning, Inc.

Mathematics Vocabulary - Grade 7 cubic yard 1 yard (Not actual size) A unit of volume that is made by a cube that is 1 yard on each side ©Partners for Learning, Inc.

Mathematics Vocabulary - Grade 7 Diameter a chord that includes the center of a circle ©Partners for Learning, Inc.

Mathematics Vocabulary - Grade 7 dimension Width= 3 in. Length= 6 in. (Not actual size) A measure in one direction (e. g. , length, width, height, or depth. ) ©Partners for Learning, Inc.

Mathematics Vocabulary - Grade 7 distributive The same product results in multiplication when performed on a set of numbers as when performed on members of the set individually. ©Partners for Learning, Inc.

Mathematics Vocabulary - Grade 7 enlargement Original Enlargement The process of making something larger ©Partners for Learning, Inc.

Mathematics Vocabulary - Grade 7 equilateral This geometric figure’s sides are equal lengths so it is equilateral Describes a geometric figure in which all the sides are of equal length ©Partners for Learning, Inc.

Mathematics Vocabulary - Grade 7 experimental probability The ratio of the number of times an event occurs to the total number of trials or times the activity is performed ©Partners for Learning, Inc.

Mathematics Vocabulary - Grade 7 expression Numbers, symbols grouped together to show the value of something ©Partners for Learning, Inc.

Mathematics Vocabulary - Grade 7 heaviest Dog Lightest Elephant Heaviest The most heavy; of great weight, hard to lift or carry ©Partners for Learning, Inc.

Mathematics Vocabulary - Grade 7 inequality Example inequality: a statement that contains one of the following signs placed between two expressions: <, >, k, l, ©Partners for Learning, Inc.

Mathematics Vocabulary - Grade 7 interest Sam’s dad loaned him $50 so he could buy a new video game. Sam’s dad said that because he was loaning Sam the money, Sam needed to pay interest of $5. This means that Sam must pay his dad back $55, that includes the loan of $50 plus the interest of $5. Money paid for the use of other money. ©Partners for Learning, Inc.

Mathematics Vocabulary - Grade 7 Inverse operation Example: you can use addition facts to do subtraction The operation that reverses the effect of another operation ©Partners for Learning, Inc.

Mathematics Vocabulary - Grade 7 Inverse variation donuts y=3 donuts A relationship between two variables in which the product is a constant. When one variable increases the other decreases in proportion so that the product is unchanged. ©Partners for Learning, Inc.

Mathematics Vocabulary - Grade 7 Isosceles triangle a triangle with 2 equal sides and 2 equal angles ©Partners for Learning, Inc.

Mathematics Vocabulary - Grade 7 lightest Dog Lightest Elephant Heaviest Weighing the least ©Partners for Learning, Inc.

Mathematics Vocabulary - Grade 7 longer 2 in 8 in Having greater length ©Partners for Learning, Inc.

Mathematics Vocabulary - Grade 7 Mean Math Test Scores: 62, 74, 75, 82, 86, 87, 88, 90, 92, 93, 94, 99 Mean (average) of the Math Test Scores: 85 Average ©Partners for Learning, Inc.

Mathematics Vocabulary - Grade 7 Measures of central tendency Measure that tells us where the middle of a bunch of data lies. The three most common are mean, median, and mode. ©Partners for Learning, Inc.

Mathematics Vocabulary - Grade 7 Median Math Test Scores: 62, 74, 75, 82, 86, 87, 88, 90, 92, 93, 94, 99 The median of the test scores is 87. The middle value of a set of data that are arranged in order of size. ©Partners for Learning, Inc.

Mathematics Vocabulary - Grade 7 midpoint The midpoint of this line The middle of; the point halfway along ©Partners for Learning, Inc.

Mathematics Vocabulary - Grade 7 Mode Math Test Scores: 62, 74, 75, 82, 86, 87, 88, 90, 92, 93, 94, 99 The mode of the test scores is 74. The number or numbers that occur most often in a set of data ©Partners for Learning, Inc.

Mathematics Vocabulary - Grade 7 ninth Number 9 in a sequence, also can refer to nine equal parts ©Partners for Learning, Inc.

Mathematics Vocabulary - Grade 7 outcome Landing on heads is a possible outcome when flipping a coin One of the possible results of a probability experiment ©Partners for Learning, Inc.

Mathematics Vocabulary - Grade 7 partial product A product formed by multiplying the multiplicand by one digit of the multiplier when the multiplier has more than one digit. ©Partners for Learning, Inc.

Mathematics Vocabulary - Grade 7 Perimeter Distance around the outside of a shape ©Partners for Learning, Inc.

Mathematics Vocabulary - Grade 7 Pi This symbol represents Pi The ratio of a circle's circumference to its diameter ©Partners for Learning, Inc.

Mathematics Vocabulary - Grade 7 positive linear relationship A statistical term used to describe the positive relationship between a variable and a constant ©Partners for Learning, Inc.

Mathematics Vocabulary - Grade 7 predict Plant Height in Inches 8 6 4 2 0 Week 1 Week 2 Week 3 Week 4 Based on the pattern shown in this chart, we can predict that in week 5, the plants will measure 7 inches. To say what will happen ©Partners for Learning, Inc.

Mathematics Vocabulary - Grade 7 prime factorization The expression of a number as the product of prime factors. ©Partners for Learning, Inc.

Mathematics Vocabulary - Grade 7 Probability How likely it is for an event to happen. ©Partners for Learning, Inc.

Mathematics Vocabulary - Grade 7 Proportion A part to whole comparison the equality of two ratios written as an equation ©Partners for Learning, Inc.

Mathematics Vocabulary - Grade 7 Proportional When two quantities always have the same relative size ©Partners for Learning, Inc.

Mathematics Vocabulary - Grade 7 quadrant Any of the four regions formed by the axes in a rectangular coordinate system. ©Partners for Learning, Inc.

Mathematics Vocabulary - Grade 7 Radius a line segment with one endpoint at the center of a circle and its other endpoint on the circle ©Partners for Learning, Inc.

Mathematics Vocabulary - Grade 7 Range Math Test Scores: 62, 74, 75, 82, 86, 87, 88, 90, 92, 93, 94, 99 The range of math test scores is 37. The difference between the greatest (maximum) and least (minimum) values in a set of data. ©Partners for Learning, Inc.

Mathematics Vocabulary - Grade 7 Rate A ratio that compares quantities measured in different units ©Partners for Learning, Inc.

Mathematics Vocabulary - Grade 7 Ratio 5 out of 6 students ride the bus to school Ratio: a comparison of two numbers, often written as a fraction ©Partners for Learning, Inc.

Mathematics Vocabulary - Grade 7 real number The type of number we normally use ©Partners for Learning, Inc.

Mathematics Vocabulary - Grade 7 rectangular shape A three-dimensional figure (polyhedron) with congruent rectangular parallel bases and lateral faces that are parallelograms. ©Partners for Learning, Inc.

Mathematics Vocabulary - Grade 7 reflexive The property that a = a ©Partners for Learning, Inc.

Mathematics Vocabulary - Grade 7 Scale The measurements on a ruler are a scale Sequenced marks, usually at regular intervals or representing equal steps ©Partners for Learning, Inc.

Mathematics Vocabulary - Grade 7 Scale drawing (or model) Model Horse 3 in. Real Horse 36 in. Scale= 1: 12 A drawing (or model) that uses proportional lengths in the drawing (or model) and the actual image. ©Partners for Learning, Inc.

Mathematics Vocabulary - Grade 7 scalene triangle a triangle that has sides of different lengths and three different angles ©Partners for Learning, Inc.

Mathematics Vocabulary - Grade 7 scatter plot A graph of plotted points that show the relationship between two sets of data. ©Partners for Learning, Inc.

Mathematics Vocabulary - Grade 7 shorter The orange line is shorter than the blue line Having less length, distance, or height ©Partners for Learning, Inc.

Mathematics Vocabulary - Grade 7 Similar figures These triangles are similar figures because they have the same shape but are different sizes Figures are similar if the have the same shape, but are different sizes ©Partners for Learning, Inc.

Mathematics Vocabulary - Grade 7 Slope 3 -4 The ratio of change in the vertical axis (y-axis) to change in the horizontal axis (x-axis) in the form rise or Dy. Also, the constant, m, in the linear equation for the slope-intercept form ©Partners for Learning, Inc.

Mathematics Vocabulary - Grade 7 square meter 1 meter 2 (This is not the actual size of a square meter) A unit of area, equal to the area of a square with sides of one meter ©Partners for Learning, Inc.

Mathematics Vocabulary - Grade 7 Square Numbers that are the products of multiplying a number with itself ©Partners for Learning, Inc.

Mathematics Vocabulary - Grade 7 standard form Sample: The standard form for an equation of a line Ax + By = C, where A > 0 and, if possible, A, B, and C are relatively prime integers. ©Partners for Learning, Inc.

Mathematics Vocabulary - Grade 7 stem and leaf plot A simple way to display the shape of a distribution. ©Partners for Learning, Inc.

Mathematics Vocabulary - Grade 7 substitution Means putting numbers where the letters are ©Partners for Learning, Inc.

Mathematics Vocabulary - Grade 7 Surface area of a geometric solid Sample: The sum of the areas of the faces and any curved surfaces of the figure that create a geometric solid figure. ©Partners for Learning, Inc.

Mathematics Vocabulary - Grade 7 survey A method of collecting a sample data by asking people questions ©Partners for Learning, Inc.

Mathematics Vocabulary - Grade 7 ten million 10, 000, 000 ©Partners for Learning, Inc.

Mathematics Vocabulary - Grade 7 ten thousandth one part in ten thousand equal parts ©Partners for Learning, Inc.

Mathematics Vocabulary - Grade 7 theoretical probability the probability of an event when all outcomes are equally likely ©Partners for Learning, Inc.

Mathematics Vocabulary - Grade 7 thousandths one of 1, 000 equal parts of a whole ©Partners for Learning, Inc.

Mathematics Vocabulary - Grade 7 transitive describes a given relation between terms ©Partners for Learning, Inc.

Mathematics Vocabulary - Grade 7 twice 2 Twice as many triangles Two times ©Partners for Learning, Inc. 4

Mathematics Vocabulary - Grade 7 x-intercept A point at which a graph intersects the x-axis. ©Partners for Learning, Inc.

Mathematics Vocabulary - Grade 7 y-intercept The value of y at the point where a line or graph intersects the y-axis. The value of x is zero (0) at this point. ©Partners for Learning, Inc.