How To: Solve problems related to factors, multiples, & primes

Check out this instructional math video that reviews Elementary Number Theory, which is a fancy way of saying these are problems related to factors, multiples, prime numbers and remainders. In the 12th lesson, learn how to solve SAT math problems. Here are the math problems and their page numbers that this video covers:

p463 #15
p489 #7
p549 #7
p596 #8.

Learn about Elementary Number Theory to help you improve your SAT score by preparing with this math tutorial video.