Across
1
Number divisible only by 1 and itself
4
Difference between highest and lowest values
5
Proven mathematical statement
6
Split into equal parts
7
Comparison of two quantities
9
Amount of space an object occupies
Down
1
Closed shape with straight sides
2
Mathematical statement of equality
3
Symbol representing unknown value
4
Distance from center to edge of circle
8
Number with digits after a point
10
Single numeral from 0 to 9