Across
1
Part of a line with two endpoints
5
Number divisible only by 1 and itself
6
Rectangle with four equal sides
7
Part of a whole number
9
U-shaped curve of a quadratic function
Down
2
Amount of space an object occupies
3
Repeated addition
4
Split into equal parts
6
Exact correspondence on both sides
8
Sum divided by count
10
Part of a circle's circumference