210 Multifaceted Number Concepts
Rigorous Problem Solving with the Concept of
Finding Common Multiples 2
In the game LCM Hopscotch , players are required to fi nd
either the Least Common Multiple (LCM) or a common
multiple that is not the least. James drew two cards, 6 and 4.Part C
The least common multiple of 2 numbers is 77, and the sum
of the numbers is 18.
What are the numbers?Part A
What is the least common multiple of 6 and 4?
o 24
o 12
o 6
o 2Part B
Write 3 common multiples of 6 and 4 that are not the least.Use equations to prove your answers.© 2016, Math Intervention: Grades 3–5, Jennifer Taylor-Cox, Routledge