Lesson 17: Divisibility Tests for 3 and 9

IXL Practice:

L.1Divisibility rules

Lesson 18: Least Common Multiple and Greatest Common Factor

IXL Practice:

- N.3 Prime or composite
- N.4 Identify factors
- N.5 Prime factorization
- N.6 Prime factorization with exponents
- N.7 Greatest common factor
- N.8 Least common multiple
- N.9 GCF and LCM: word problems

- Answer word problems by listing factor pairs
- Find GCF by listing factor pairs
- Find LCM of two numbers by listing the multiples of each