Across
1
Result of addition
3
Single numeral from 0 to 9
5
Amount of space an object occupies
7
Lines that never intersect
8
Repeated addition
9
Steepness of a line
10
Result of raising a number to an exponent
Down
2
Mathematical statement of equality
4
Distance from center to edge of circle
6
Comparison of two quantities
11
System of ordered marks for measuring