##### Across

**2.**Average of a number of different amounts**3.**A measure used to find the location of the middle (central tendency) of a data set**5.**To join two or more numbers (or quantities) to get one number**7.**A whole number that divides exactly into another number**8.**One of two equal parts**11.**Opposite direction to the way hands on the clock go**12.**Imperial units for measuring length**13.**The number of times a particular item appears in a set of data**15.**Lines that are the same distance apart**17.**The point of intersection of the x and y axis on a coordinate or cartesian plane**19.**Not equal in amount or quantity**20.**The smallest in a group**21.**An ordinal number**22.**The measurement from top to bottom

##### Down

**1.**Arrangement according to size, amount of value**2.**use of standard units to find out size or quantity**4.**To turn an object**6.**A thousand millions**7.**Any part of a group, number or whole**9.**A polynomial containing two unlike terms**10.**A mirror view**14.**The number resulting from dividing one number by another**16.**An area of maths where numbers are represented by letters**18.**Quantity of matter in an object**22.**Unit of time