Across
1
Power to which a number is raised
3
Reference line in a graph
5
Closed shape with straight sides
6
Amount of space an object occupies
9
Part of a whole number
11
Visual representation of data
12
Number divisible only by 1 and itself
13
Result of addition
Down
2
Difference between highest and lowest values
3
Sum divided by count
4
Line segment connecting two circle points
7
Repeated addition
8
Three-sided polygon
10
Single numeral from 0 to 9
13
System of ordered marks for measuring