Across
1
System of ordered marks for measuring
2
Total distance around a shape
3
Part of a whole number
5
Symbol representing unknown value
6
Mathematical statement of equality
Down
2
Parts per hundred
3
Number that divides evenly into another
4
Corner point of a polygon
7
Difference between highest and lowest values
8
Divisible by two
9
Split into equal parts
10
Number divisible only by 1 and itself
11
Result of multiplication
12
Rectangular array of numbers