Across
1
Number divisible only by 1 and itself
3
Line crossing from corner to corner
6
Distance from center to edge of circle
7
System of ordered marks for measuring
8
Middle value in an ordered dataset
9
Line segment connecting two circle points
10
Rectangular array of numbers
Down
2
Part of a whole number
4
Comparison of two quantities
5
Three-sided polygon
11
Rectangle with four equal sides
12
Reference line in a graph
13
Result of addition