Across
1
Amount of space an object occupies
4
Line touching circle at one point
6
Divisible by two
7
System of ordered marks for measuring
9
Mathematical rule or equation
11
Repeated addition
Down
2
Part of a line with two endpoints
3
Result of multiplication
5
Part of a whole number
8
U-shaped curve of a quadratic function
10
Line crossing from corner to corner
12
Proven mathematical statement