Across
1
Repeated addition
6
Power to which a number is raised
7
Steepness of a line
9
Result of raising a number to an exponent
12
Round shape with all points equidistant
Down
2
Math using letters for unknown values
3
Exact correspondence on both sides
4
Part of a whole number
5
Number with digits after a point
8
Number divisible only by 1 and itself
10
Divisible by two
11
Value that does not change