Across
1
Number divisible only by 1 and itself
2
Collection of distinct elements
4
Amount of space an object occupies
5
Number that divides evenly into another
7
Reference line in a graph
9
Steepness of a line
11
Line segment connecting two circle points
Down
2
System of ordered marks for measuring
3
Number with digits after a point
4
Symbol representing unknown value
6
Result of multiplication
8
Line touching circle at one point
10
Comparison of two quantities