Lesson review:
- factor tree
- prime factorization
- rational numbers
- lowest form (reduced form) vs. unreduced form
- gcd (a,b)
- lcm [a,b]
- ab = gcd (a,b)*lcm [a,b]
- gcd(ac,bc) = cgcd (a,b)
- lcm [ac,bc] = clcm [a,b]
Homework:
- P.68 Ex.4.2.1 (b) (k) (p)
- P.71 Ex.4.3.2, 4.3.4
- P.74 Ex.4.4.1 (b) (f), 4.4.2 (b) (d)
- P.77 Ex.4.5.1 (d) (e) (g) (h)
- P.79 Ex.4.6.1, 4.6.5
- p.83 Ex.4.7.1 to 4.7.4
- * bonus: p.86 Ex. 4.36, 4.37, 4.38, 4.39
Other Resources:
- https://www.mathsisfun.com/prime-factorization.html
- https://www.khanacademy.org/math/pre-algebra/pre-algebra-factors-multiples/pre-algebra-prime-factorization-prealg/v/prime-factorization