Across
1
Number divisible only by 1 and itself
3
Repeated addition
4
Three-sided polygon
7
Value that does not change
Down
1
Result of raising a number to an exponent
2
Number with digits after a point
3
Middle value in an ordered dataset
5
The number representing nothing
6
Part of a line with two endpoints
8
Part of a whole number
9
Result of multiplication
10
Rectangular array of numbers
11
Collection of distinct elements