Across
1
Number greater than zero
3
Closed shape with straight sides
5
Sum divided by count
6
System of ordered marks for measuring
8
Single numeral from 0 to 9
9
Result of raising a number to an exponent
Down
1
U-shaped curve of a quadratic function
2
Mathematical statement of equality
4
Round shape with all points equidistant
7
Number with digits after a point
10
Collection of distinct elements