Coach: look at the exit check results and the paper practice. Go back over every item a student missed: read it together, have the student explain their thinking, then show the correct thinking. Use the reteach routine below for anyone who missed two or more. Students who got everything right take the stretch task.

🔄 Reteach it (missed two or more)

Use a factor rainbow (pair factors connected by arcs) to list factors without missing any. Circle factors that appear in both lists.

Write multiples in two rows and highlight the first match to find the LCM.

Factors of 10?
Answer: 1, 2, 5, 10.
GCF of 6 and 9?
Answer: 3.
LCM of 2 and 3?
Answer: 6.

🚀 Stretch it (got everything right)

Write your own GCF word problem and your own LCM word problem.
Answer: Any.
Explain how to tell whether a problem needs the GCF or the LCM.
Answer: GCF: split into groups; LCM: things repeat or line up.