Across
1
Parts per hundred
6
Rectangular array of numbers
7
Round shape with all points equidistant
9
U-shaped curve of a quadratic function
10
Divisible by two
11
Mathematical statement of equality
Down
1
Lines that never intersect
2
Part of a whole number
3
Difference between highest and lowest values
4
Number less than zero
5
Line touching circle at one point
8
Number divisible only by 1 and itself
12
System of ordered marks for measuring