Across
1
Math using letters for unknown values
4
Lines that never intersect
5
Split into equal parts
8
System of ordered marks for measuring
11
Space between two intersecting lines
Down
2
Divisible by two
3
Repeated addition
4
Result of raising a number to an exponent
6
Distance from center to edge of circle
7
Reference line in a graph
9
Difference between highest and lowest values
10
Mathematical statement of equality