Question 1

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acute triangle - A triangle with no angle measuring 90 degrees or more

Question 2

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addend - Any number being added.

Question 3

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additive inverses - To numbers whose sum is 0 are additive inverses or one another.

Question 4

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algorithm - A step - by - step method for computing

Question 5

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area - The measure, in square unites, of the interior region of a 2-dimensional figure or the surface of a 3-dimensional figure.

Question 6

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associative property of multiplication - The product stays the same when the grouping of factors is changed. (a x b) x c = a x (b x c), where a, b, and c stand for any real numbers.

Question 7

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absolute value - The distance of a number from zero on the number line. Always positive.

Question 8

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additive identity property of 0 - Adding zero to a number gives a sum identical to the given number.

Question 9

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algebraic expression - A group of numbers, symbols, and variables that express an operation or a series of operations.

Question 10

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altitude - The perpendicular distance from a vertex to the opposite side of a plane figure.

Question 11

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associative property of addition - The sum stays the same when the grouping of addends is changed.

Question 12

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(a+b)+c=a+(b+c), where a, b, and c stand for any real numbers.

Question 13

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attribute - A characteristic. e.g. size, shape, or color

Question 14

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axis - A reference line from which distances or angles are measured in a coordinate grid. (plural - axes)

Question 15

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box plot - A diagram that shows the five number summary of a distribution. (Five number summary includes lowest value, lower quartile, median, upper quartile, and highest value.)

Question 16

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common denominator - For two or more fractions, this is a common multiple of the denominators.

Question 17

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common multiple - Any common multiple of two or more numbers.

Question 18

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commutative property of multiplication - The product stays the same when the order of the factors is changed. a x b = b x a, where a and b are any real numbers.

Question 19

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constant - A number with a value that is always the same.

Question 20

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base of a polygon - The side of a polygon that is perpendicular to the altitude or height

Question 21

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coefficient - A numerical factor in a term of an algebraic expression.

Question 22

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common factor - Any common factor of two or more numbers.

Question 23

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commutative property of addition - The sum stays the same when the order of the addends is changed. a + B = b + a, where a and b are any real numbers/

Question 24

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compose - To put together, as in numbers or shapes.

Question 25

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coordinate plane - A 2-dimensional system in which the coordinates of a point are its distances from two intersecting, usually perpendicular, straight lines called axes. (Also called coordinate grid or coordinate system.)

Question 26

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coordinates - An ordered pair of numbers that identify a point on a coordinate plane.

Question 27

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data - Information, especially numerical information. Usually organized for analysis.

Question 28

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denominator - To separate into components or basic elements.

Question 29

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difference - The amount that remains after one quantity is subtracted from another.

Question 30

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dividend - A quantity to be divided

Question 31

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coordinate system - Also known as a coordinate grid. A 2-dimensional system in which the coordinates of a point are its distances from two intersecting, usually perpendicular, straight lines called axes.

Question 32

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cube - A rectangular solid having six congruent square faces.

Question 33

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decompose - To separate into components or basic elements

Question 34

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dependent variable - In a function, a variable whose value is determined by the value of the related independent variable.

Question 35

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distributive property - a x (b + c) = (a x b) + (a x c) and a x (b - c) = (a x b) - (a x c), where a, b, and c stand for any real numbers.

Question 36

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divisor - The quantity by which another quantity is to be divided.

Question 37

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line plot - Also known as a data plot. A diagram showing frequency of a data on a number line.

Question 38

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equilateral triangle - A triangle whose sides are all the same length.

Question 39

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equivalent ratio - two ratios have the same value when simplified

Question 40

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exponent - The number that tells how many equal factors there are.

Question 41

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factor - An integer that divides evenly into another.

Question 42

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formula - A general mathematical statement or rule.

Question 43

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equation - A statement that two mathematical expressions are equal.

Question 44

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evaluate - To find the value of a mathematical expression.

Question 45

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expression - A variable or combination of variables, numbers, and symbols that represents a mathematical relationship.

Question 46

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first quartile - The first quartile is the middle (the median) of the lower half of the data on a box plot. One-fourth of the data lies below the first quartile and three-fourths lies above. Also known as Q1.

Question 47

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fraction - A way of representing part of a whole or part of a group by telling the number of equal parts in the whole and the number of parts you are describing.

Question 48

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graph - A pictorial device used to show a numerical relationship.

Question 49

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height - The perpendicular distance from a vertex to the opposite side of a plane figure.

Question 50

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improper fraction - A fraction with a numerator greater than (or equal to ) its denominator.

Question 51

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inequality - A mathematical sentence that compares two unequal expressions using one of the following symbols <, >, ≤,≥, or ≠

Question 52

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integers - The set of whole numbers and their opposites.

Question 53

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isosceles triangle - A triangle that has at least two congruent sides.

Question 54

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independent variable - A variable in a mathematical equation whose value determines that of a dependent variable

Question 55

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infinite - Having no boundaries or limits

Question 56

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interquartile range - The difference between the upper quartile and the lower quartile.

Question 57

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least common multiple - LCM. The smallest common multiple of a set of two or more numbers.

Question 58

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less than - used to compare two numbers when the first number is smaller than the second number.

Question 59

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maximum - The largest amount; the greatest number in a data set

Question 60

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measures of central tendency - 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)q

Question 61

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metric system - A system of measurement based on tens. The basic unit of capacity is the liter. The basic unit of length is the meter. The basic unit of mass is the gram.

Question 62

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minuend - In subtraction, this is the number you subtract from.

Question 63

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multiple - The product of a whole number and any other whole number.

Question 64

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lower extreme - The smallest or least number out of a data set, usually farther away from interquartile range than other data in set. (Also known as minimum.)

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