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Mean-average found by adding numbers in a list & dividing by amount of numbers. (i.e. 4,1,3,2,10 4+1+3+2+10=20÷5=4 The Mean is 4 Range- difference between highest & lowest number. (i.e. 3,4,5,6,7,8 8-3=5) Mode-number that occurs most often (i.e.9,2,5,6,9,2, Mode is 2 and 9) Average-Mean or Mode of data. “Inverse” – means opposite. Eg the inverse of addition is subtraction. “Recurring” – means repeating. A recurring decimal can never be worked out exactly and has repeating pattern of numbers (i.e. 1/3 is 0.3333) “Inverse” – means opposite. Eg the inverse of addition is subtraction. “Intersecting” – means lines that cross each other “Congruent” – means exactly same shape and size as one other. “Vertex” – means corner or tip. Plural is vertices. “Translation” – in maths means moving a shape in a certain way. Eg Up/Down Left/Right but shape must be congruent (same). “Approximately” – means not an exact answer. “Radius” – distance from centre of circle to edge. “Circumference” – distance all the way around circle. “Perimeter” – distance all the way round the edge of a shape. “Numerator” – top number of a fraction telling us how many parts out of the total. (i.e. ⅞ the 7 is the numerator) “Denominator” – bottom number of a fraction tells us the number of equal parts something has been divided into. (i.e.⅛ the 8 is the denominator) “Improper fraction” – a top heavy fraction where the numerator is larger than the denominator. (i.e. 8/7) “Equivalent” – same as. “Percentage” – out of 100 (%) “Quotient” – number of times one number can be divided into another. Eg. 10÷5=2 so the quotient is 2.