Across
1
Exact correspondence on both sides
5
Rectangular array of numbers
6
Distance from center to edge of circle
7
Three-sided polygon
8
Line crossing from corner to corner
Down
2
Middle value in an ordered dataset
3
Divisible by two
4
Result of raising a number to an exponent
5
Repeated addition
9
Part of a whole number
10
Single numeral from 0 to 9