1.
To cross over (have some common point)
2.
an exact half of a sphere
3.
A set of lines used to help us accurately draw graphs
4.
A drawing used to describe something, and to explain concepts
5.
Finding an answer by using mathematics
6.
Any of the numbers that are added together.
7.
The distance around a circle
9.
Opposite in effect. The reverse of
10.
Putting things into their correct place following some rule
