Math Challenge

Public|
7
8
2
4
3
6
1
5
9

Across

1

Split into equal parts

2

Collection of distinct elements

3

Lines that never intersect

9

Difference between highest and lowest values

Down

2

System of ordered marks for measuring

4

Result of multiplication

5

Number with digits after a point

6

Divisible by two

7

Amount of space an object occupies

8

Number divisible only by 1 and itself