Across
1
Number divisible only by 1 and itself
5
Number that divides evenly into another
6
Space between two intersecting lines
8
Single numeral from 0 to 9
9
Line touching circle at one point
10
Result of addition
11
Amount of space an object occupies
12
Divisible by two
Down
2
System of ordered marks for measuring
3
Split into equal parts
4
Repeated addition
6
Math using letters for unknown values
7
Rectangular array of numbers