Across
1
Single numeral from 0 to 9
3
Rectangle with four equal sides
4
Part of a whole number
5
Line crossing from corner to corner
9
Repeated addition
Down
1
Split into equal parts
2
Reference line in a graph
3
System of ordered marks for measuring
6
Closed shape with straight sides
7
Value that does not change
8
Space between two intersecting lines
9
Rectangular array of numbers
10
Total distance around a shape