“Mathematical procedures, known to mathematicians as algorithms (are) procedures (which) enable (us) to find answers to problems according to set rules.”
“Here’s a rule …
Here’s a theory behind the rule …
Here's the routine I want you to use to apply the rule ...
Here’s an example involving the rule …
(write it down) …
Here’re some questions for you to practice requiring the rule …
Now, here’s the next rule … ”
(and repeat).

The belief that conceptuallybased teaching is synonymous with handson activities is, in my view, a misconception.