LCM and GCF Halloween Word Problems - 12 editable math problems with an answer key.

- Two vampires are sorting the blood into different containers. One of them sorts into 4 bottles while the other does 8 bottles. How much did they start with if neither has any left over and they started with the same amount?
- LCM of 4 and 8 is 8. They each started with 8 units of blood.

- The garlic wreaths come in packages of 6 or 8. The two witches bought an equal amount of wreaths but one bought the pack of 6 and the other bought the pack of 8. How many did they each buy?
- LCM of 6 and 8 is 24. Each witch bought 24 wreaths.

- A ghost has 12 pumpkins and 8 corn stalks. How many decorations can he make with an equal amount of pumpkins and corn stalks for each decoration?
- GCF of 12 and 8 is 4. He can make 4 decorations.

- A ghost is making a basket to leave for those he haunts. The baskets will have 5 skulls and 10 pints of blood. How many of the same baskets can he make with nothing left over?
- GCF of 5 and 10 is 5. He can make 5 baskets.

- A witch is mixing potions. She has 8 oz of frogs blood and 6 werewolf teeth. How many potions can she make if they need to be split equally among the potions?
- GCF of 8 and 6 is 2. She can make 2 potions.

- A witch has 30 potions ready and her sister has 40. What is the largest group they can sort them into and have an equal number of potions from each sister?
- GCF of 30 and 40 is 10. The largest group size is 10.