Across
1
Three-sided polygon
5
Amount of space an object occupies
6
Number divisible only by 1 and itself
9
Number that divides evenly into another
11
Exact correspondence on both sides
Down
2
Math using letters for unknown values
3
Part of a whole number
4
Result of raising a number to an exponent
7
Single numeral from 0 to 9
8
Round shape with all points equidistant
10
Visual representation of data
12
Space between two intersecting lines