• Shuffle
Toggle On
Toggle Off
• Alphabetize
Toggle On
Toggle Off
• Front First
Toggle On
Toggle Off
• Both Sides
Toggle On
Toggle Off
• Read
Toggle On
Toggle Off
Reading...
Front

### How to study your flashcards.

Right/Left arrow keys: Navigate between flashcards.right arrow keyleft arrow key

Up/Down arrow keys: Flip the card between the front and back.down keyup key

H key: Show hint (3rd side).h key

A key: Read text to speech.a key

Play button

Play button

Progress

1/217

Click to flip

### 217 Cards in this Set

• Front
• Back
 Absolute Value the distance of a number from zero on a number line Arc a segment of the circle Surface Area the sum of the areas of all the faces of a solid figure Vertical Angles 2 opposite congruent angles formed by intersecting lines Adjacent Angles 2 angles that have a common vertex and one common side Complementary Angles 2 angles whose sum equals 90° Supplementary Angles 2 angles whose sum equals 180° Corresponding Angles angles that are in the same position in different figures Acute angle an angle that measures less than 90° (cute little angle) Obtuse angle an angle that measures more than 90° but less than 180° (O-big) a.m. used to show time between midnight and noon Associative Property of Multiplication the way that factors are grouped does not change the product average the sum of addends divided by the number of addends addend a number that is added angle the figure made by 2 rays that extend from a common endpoint array an arrangement of objects in rows and columns Bisect to divide into two equal parts Coordinates the numbers in an ordered pair (representing the X and Y axis) (3,7) (5,-4) certain to be sure or definite Chord a line segment with both endpoints on the circle cube a space figure with 6 congruent faces, 8 vertices, and 12 equal edges circle a closed plane figure with all the points the same distance from center cup (c) a customary unit of capacity Diameter a line segment that passes through the center of the circle with its endpoints on the circle decimal point a dot separating the ones and tenths places in a decimal number decimeter (dm) a metric unit of length Face the flat surface of a solid figure digit the symbols 0 to 9 used to write numbers Edge the line segment where two faces of a solid figure meet equivalent decimals 2 decimals that are equal Regular polygon a polygon that has all congruent sides and angles Rhombus a parallelogram with four congruent sides degree Celsius (C) a metric unit used to measure temperature centimeter (cm) a metric unit of length Dilation changing the size of a figure while keeping the same shape Least Common Multiple (LCM) the smallest number that is a common multiple of two or more numbers data a collection of facts gathered by observation, questioning, or measuring degree (F) a customary unit used to measure temperature Greatest Common Factor (GCF) the largest factor that two or more numbers have in common decade 10 years Corresponding Sides sides that are in the same position in different figures Prime factorization a number written as the product of all its prime factors common factor a number that is a factor of two or more numbers Median the middle number (or average of the two middle numbers) in an ordered set of data Mean the “average” of a set of data (1. Total all the numbers, 2. Divide the sum by how many numbers there were) Perpendicular lines two lines that intersect and form four right angles Oblique lines two lines that intersect but do NOT form four right angles Equivalent having the same value or naming the same amount "=" decimal number a number containing a decimal point difference the answer to a subtraction problem endpoint a point at the end of a line segment or ray front-end digit the digit in the place with the greatest value hexagon a polygon with 6 sides and 6 vertices inverse operations 2 operations with the opposite effect like multiplication and division line graph a graph used to show how data changes over time mirror image the reverse image of a figure ounce (oz) a customary unit of mass period a group of 3 digits in a number separated by a comma from the other digits plane figure any 2-dimensional figure product the answer to a multiplication problem remainder the number that is left after dividing space figure a figure with 3 dimensions teaspoon (tsp) a customary unit of capacity trapezoid a quadrilateral with 1 pair of parallel sides and 1 pair of sides that are not parallel whole number any of the counting numbers 0, 1, 2, 3, 4, 5, 6, 7…. equally likely outcomes having the same chance of happening fact family all related +/- or x/- facts that use the same numbers front-end estimation an estimation made using the front-end digit of a number hundredths the name of the second place after the decimal point kilogram (kg) a metric unit of mass meter a metric unit of length/distance outcome a result of a probability experiment plot using an ordered pair to locate a point on a grid Property of 1 for Division any number divided by 1 is that number sphere a three-dimesional figure with a curved surface that is shaped like a ball tenths the name of the first place after the decimal point turn (rotation) a transformation of a figure by turning it word form a number written in words bar graph a graph that uses bars to compare data closed figure a plan figure that completely surrounds an area customary system a system of measurement used in the U.S. factors numbers that are multiplied to give a product gallon (gal) a customary unit of capacity impossible cannot happen kilometer (km) a metric unit of length line segment a part of a line with 2 endpoints metric system a measurement system based on tens most likely outcomes that have a greater chance of happening octagon a polygon with 8 sides and 8 vertices p.m. used to show the time between noon and midnight pictograph a graph that uses pictures or symbols to show data point any exact location in space represented by a dot Property of 1 for Multiplication the product of any number and 1 is that number sum the answer to an addition problem three-dimensional (3-D) figures space figures that have length width and height two-dimensional figures (2-D) plane figures that have length and width yard (yd) a customary unit of length Commutative Property of Multiplication the order in which numbers are multiplied does not change the product equivalent fractions 2 fractions that are equal fraction a number that names parts of a whole gram (g) a metric unit of mass improper fraction a fraction with a value greater than 1, the numerator is greater than or equal to the demonimator least likely outcomes that have a smaller chance of happening liter (L) a metric unit of capacity Hypotenuse the side of a right triangle that is opposite of the right angle milliliter (mL) a metric unit of capacity multiple the product of a whole number and any other whole number open figure a plane figure that does not completely enclose an area pint (pt) a customary unit of capacity polygon a closed plane figure made with line segments pyramid a space figure whose base is a polygon, and other faces are triangles that meet at a vertex ray a part of a line that has 1 endpoint and goes on and on in one direction round to estimate a number to the nearest ten, hundred, or thousand square pyramid a space figure with a square base and 4 faces that are triangles and meet in a vertex. ton (t) a customary unit of weight Venn diagram a diagram that uses intersecting circles to compare groups of objects Zero Property of Division 0 divided by any number except 0 is 0. A number cannot be divided by zero. flip (reflection) a transformation that results in a mirror image of a figure graph a drawing used to record information inch (in.) a customary unit of length less than (<) the symbol used to compare 2 numbers when the smaller number is on the left mass the weight of an object millimeter (mm) a metric unit of length number line a line on which points correspond to numbers pentagon a polygon with 5 sides and 5 vertices place value the value determined by the position of a digit in a number pound (lb) a customary unit of mass quadrilateral a 4-sided polygon rectangular prism a space figure with 6 rectangular faces, 8 vertices, and 12 edges side a line segment that is part of a plane figure standard form a number written with one digit for each place value transformation an operation on a geometric figure by which another image is created Zero Property of Multiplication the product of any number and 0 is 0. elapsed time the amount of time between 2 given times expanded form a way to write numbers that shows the value of each digit foot (ft) a customary unit of length greater than (>) the symbol used to compare 2 numbers when the larger one is on the left line a straight path that goes on and on in 2 directions with no endpoints Pythagorean Theorem in a right triangle the sum of the squares of the two sides equals the square of the hypotenuse (a² + b² = C²) mode the number that appears most often in a set of numbers number sentence an equation or inequality written with numbers and symbols ordinal number a number telling the position of something plane a flat surface that goes on and on in all directions quart (qt) a customary unit of capacity slide (translation) a transformation that moves a figure by slidings each of the points the same distance and direction tablespoon (tbsp) a customary unit of capacity Scalene Triangle a triangle with no sides that are the same length Isosceles Triangle a triangle with two sides that are the same length Equilateral Triangle a triangle with three sides that are the same length century 100 years Origin the point where the x-axis and the y-axis intersect (0,0) prime number a whole number that has exactly two factors - one and the number itself Transversal a line which intersects two or more other lines Net a two dimensional model that can be folded to make a solid Like Terms terms that have the same variable with the same exponent numerator the top number of a fraction (telling how many pieces of the whole are counted) Variable a letter used to represent a number denominator the bottom number of a fraction (telling how many pieces the whole has been divided into) Rate a ratio that compares 2 quantities with different units of measure Vertex (or vertices) the point where 2 rays, 2 sides of a polygon or 3 or more edges of a solid figure meet (or the top of a cone) Sample space the set of all possible outcomes in a probability experiment mixed number a number written as a whole number with a fraction Ratio the comparison of two numbers by division simplest form when 1 is the only number that can divide evenly into the numerator and denominator probability the likelihood of an event happening written in fraction form as: (number of favorable outcomes/number of possible outcomes) Integers positive and negative whole numbers and 0 possible outcome the possible result of an experiment intersecting lines lines that cross each other right angle a 90° angle (shaped like a capital L) diagonal slanting lines that are not horizontal or vertical line of symmetry an imaginary line that divides a shape into 2 exactly alike parts irregular polygon a polygon with sides that are not all the same length triangle a three-sided polygon quadrilateral a four-sided polygon parallelogram a quadrilateral with two pairs of parallel sides rectangle a parallelogram with four right angles square a rectangle with four sides the same length cone a solid pointed figure with a flat round base cylinder a solid figure that is shaped like a can similar figures figures that are the same shape but have different sizes reflection (flip) moving a figure to a new position by "flipping" it over a line rotation (turn) moving a figure to a new position by "turning" it around a point translation (slide) moving a figure to a new position without flipping or turning parallel lines lines that never cross and stay the same distance apart Perimeter the distance around a figure (adding up all the sides around the object and measured in units) Area the space covered by the inside of a flat shape (length X width and measured in square units) Volume the area of the base of a prism X the height and measured in cubic units) coordinate grid a grid formed by a horizontal line, the x-axis, and a vertical line, the y-axis ordered pair coordinate points representing the x and y axis (x,y) central tendency mean, median, mode range the difference between the greatest and the least number in a set of data (largest number minus smallest number) Quotient the answer to a division problem (dividend/divisor=quotient) Divisor the number that is dividing another number (dividend/divisor=quotient) Dividend the number that is being divided (dividend/divisor=quotient) Estimate a number close to an exact number compatible numbers numbers that are easy to compute mentally measures of central tendency the mean, median, and mode of data sets coordinate plane a plane formed by a horizontal line (x-axis) that intersects a vertical line (y-axis) straight angle an angle of 180 degrees congruent being equal in size or shape equilateral a triangle with all three sides congruent Radius half of the diameter of a circle (the distance from the center to the edge of a circle) Circumference the distance around a circle Capacity the amount a container can hold when filled Weight the measure of the pull of gravity on an object simple event a sample outcome of an experiment (an event that has one outcome) complement all outcomes different from the favorable outcome (the opposite of an event) Proportional related by a constant ratio Constant having a fixed value - not changing rate of change the ratio of the difference in values of a variable during a time period unit rate a ratio that can be expressed with a denominator of 1 rational numbers integers, fractions, and decimals composite number a whole number that has three or more factors factor a number multiplied by another number to get a product Exponent a number that tells how many times the base number is to be used as a factor (written above and after the base number base number a number used as a repeated factor proportion an equation that shows that two ratios are equal