Here are the types of problems dealt with:
1 Unit 4 is more about finding square roots. Another older unit did a little of this, but this unit covers it more deeply.
2 First you review finding square roots of simple numbers.
3 Next squared numbers are multiplied.
4 Next, square roots are separated into square roots multiplied and then the pieces are found.
5 Next square roots of fractions are found
6 Next, prime factoring is done.
7 Next, finding square roots of numbers prime factored is done.
8 Next, square roots are added or subtracted