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