Across
1
Part of a whole number
6
Number with digits after a point
7
Distance from center to edge of circle
13
Result of addition
Down
2
Divisible by two
3
Rectangle with four equal sides
4
Parts per hundred
5
Single numeral from 0 to 9
8
Line crossing from corner to corner
9
Result of raising a number to an exponent
10
Closed shape with straight sides
11
Mathematical statement of equality
12
Math using letters for unknown values