Hint for tonight's Green worksheet homework - Like mentioned in class today, you can always find common multiples of 2 numbers by multiplying them by EACH OTHER
Example:
If I wanted to find common multiples of 4 and 5....4x5=20
20 is thus a common multiple of BOTH! To find more common multiples I would then just count by 20's. So additional common multiples would be 40, 60, 80, etc.