Across
1
Math using letters for unknown values
4
Rectangle with four equal sides
6
Parts per hundred
9
Distance from center to edge of circle
12
System of ordered marks for measuring
Down
1
Space between two intersecting lines
2
Result of raising a number to an exponent
3
Middle value in an ordered dataset
5
Number greater than zero
7
Three-sided polygon
8
Line crossing from corner to corner
10
Result of addition
11
Total distance around a shape
13
Result of multiplication