##### Across

**1.**A whole number greater than 1 and only have factor 1 and itself**6.**To rewrite maths expression to less complex form**8.**Something close to the correct answer**9.**A number that multiplied by itself to produce specific quantity**11.**Combination of numbers and symbols that show the value of something**12.**A shortcut of the operation of repeated addition of the same number**13.**A whole number that can be divided by 2 and have no remainder**17.**The number that multiplies by itself three times to create a cubic value**18.**Mathematical expression written in an expanded form.**20.**A numerical quantity that is not a whole number

##### Down

**2.**A whole number that can be positive, negative or zero**3.**A whole number that has more than two different factors**4.**Number we can multiply together to get another number**5.**Rounding a number to its nearest place value**7.**Finding what to multiply to give the original number**10.**A value that represents a quantity along a number line**14.**How many times a number is multiplied by itself**15.**A fraction written in digits based of tens**16.**The study of mathematical symbols and the rules for manipulating these symbols**19.**A whole number that cannot be divided exactly by 2