**1.**The study of the measurement, properties, and relationships of quantities and sets.**6.**is a number we do not know.**7.**Sum of numbers.**8.**An instrument for measuring angles**9.**A point or dot used to separate the whole number.**10.**a number shows you how many times the number is to be used in a multiplication.**11.**A reference line drawn on a graph**12.**An exact location.**13.**When two or more fractions have the same denominator.**16.**To draw straight lines or measure distances.**17.**the longest side of a triangle**19.**is a number which multiplied by itself, gives you the original number.**20.**Is the study of 'Rates of Change'.**22.**act of solving**23.**A ruler with a sliding central strip, marked with logarithmic scales.**24.**a figure that has three sides.**25.**Is a flat surface with no thickness

**2.**The part of mathematics in which letters and other general symbols are used.**3.**A 3-dimensional object shaped like a ball.**4.**A long thin mark made by a pen.**5.**A triangle with three equal sides.**7.**The distance a number is from zero.**12.**to draw out or lengthen.**13.**Something used for making mathematical calculations,**14.**A line that just touches a curve at one point, without cutting across it.**15.**typically a corner or a point where lines meet.**18.**Are numbers you can multiply together to get another number.**21.**Is the product of any quantity and an integer.**23.**a position to the left or right of an object.