Across
1
Math using letters for unknown values
5
Comparison of two quantities
6
Distance from center to edge of circle
9
Visual representation of data
10
System of ordered marks for measuring
Down
2
Exact correspondence on both sides
3
Part of a whole number
4
Number divisible only by 1 and itself
6
Difference between highest and lowest values
7
Lines that never intersect
8
Mathematical rule or equation