Across
1
Proven mathematical statement
4
Math using letters for unknown values
7
System of ordered marks for measuring
8
U-shaped curve of a quadratic function
10
Closed shape with straight sides
Down
2
Part of a circle's circumference
3
Line segment connecting two circle points
5
Symbol representing unknown value
6
Mathematical rule or equation
7
Result of addition
8
Result of multiplication
9
Three-sided polygon
11
Part of a whole number