Across
1
Steepness of a line
4
Part of a whole number
5
Value that does not change
7
System of ordered marks for measuring
8
Math using letters for unknown values
Down
2
Round shape with all points equidistant
3
Result of multiplication
6
Divisible by two
9
Longest side of a right triangle
10
Part of a line with two endpoints
11
Collection of distinct elements