Across
1
Amount of space an object occupies
2
Result of addition
3
Visual representation of data
6
Number divisible only by 1 and itself
7
System of ordered marks for measuring
8
Number that divides evenly into another
9
Space between two intersecting lines
11
Round shape with all points equidistant
Down
2
Rectangle with four equal sides
4
Number less than zero
5
U-shaped curve of a quadratic function
10
Single numeral from 0 to 9
12
Line segment connecting two circle points