Teachers assign mathematical exercises to develop the skills of their students.
Controlling the deer population is not merely a mathematical exercise.
It comprised a mathematical exercise of the highest order.
Maybe it's a set of mathematical exercises, the later ones building on the earlier ones.
Figuring out how much was a simple mathematical exercise.
I wanted this to be a purely abstract mathematical exercise for you.
For example, he can be given a hard mathematical exercise to solve, a composition to write or a question to answer argumentatively.
Now doubtless to some people this is an everyday situation and so they have no problems in tackling it as a mathematical exercise.
But statistics would be a mathematical exercise, an end in themselves, if they were not used to stimulate ideas and to help us draw conclusions.
"No hurry at all," observed the captain, who was not in the least impatient to continue his mathematical exercises.