Across
1
U-shaped curve of a quadratic function
5
Repeated addition
6
Symbol representing unknown value
7
Number that divides evenly into another
8
Single numeral from 0 to 9
10
Line crossing from corner to corner
11
Result of addition
12
Divisible by two
Down
1
Total distance around a shape
2
Rectangular array of numbers
3
Visual representation of data
4
Longest side of a right triangle
9
Part of a circle's circumference
13
Space between two intersecting lines
14
Round shape with all points equidistant