Across
1
Result of addition
2
Space between two intersecting lines
3
Longest side of a right triangle
5
Line crossing from corner to corner
8
Amount of space an object occupies
9
Part of a whole number
10
Number that divides evenly into another
13
Rectangular array of numbers
Down
1
System of ordered marks for measuring
4
Result of multiplication
6
Round shape with all points equidistant
7
Collection of distinct elements
11
Mathematical statement of equality
12
U-shaped curve of a quadratic function