Across
1
Part of a line with two endpoints
4
Round shape with all points equidistant
5
Number divisible only by 1 and itself
7
Single numeral from 0 to 9
8
Split into equal parts
9
Rectangular array of numbers
14
Line segment connecting two circle points
Down
1
Collection of distinct elements
2
Power to which a number is raised
3
System of ordered marks for measuring
6
Three-sided polygon
10
Proven mathematical statement
11
Number that divides evenly into another
12
Sum divided by count
13
Mathematical statement of equality