Across
1
Parts per hundred
5
Number divisible only by 1 and itself
6
Rectangular array of numbers
7
Divisible by two
11
Part of a circle's circumference
12
Rectangle with four equal sides
Down
1
U-shaped curve of a quadratic function
2
Difference between highest and lowest values
3
Proven mathematical statement
4
Number that divides evenly into another
8
Longest side of a right triangle
9
Distance from center to edge of circle
10
Split into equal parts
13
Symbol representing unknown value