Across
1
Number divisible only by 1 and itself
5
Line touching circle at one point
6
Distance from center to edge of circle
8
Number that divides evenly into another
9
Exact correspondence on both sides
13
Closed shape with straight sides
14
Part of a whole number
Down
2
Power to which a number is raised
3
Rectangular array of numbers
4
Parts per hundred
7
Visual representation of data
10
Line crossing from corner to corner
11
Math using letters for unknown values
12
Repeated addition
15
Space between two intersecting lines