Spooky Factors and Multiples
A witch has 12 magical potions. She wants to arrange them in equal rows for her Halloween display. Name two different ways she could arrange them.
3 rows of 4 potions
2 rows of 6 potions
1 row of 12 potions
A skeleton ate 1/4 of his Halloween candy. His friend ate 2/8 of her Halloween candy. Did they eat the same amount?
Yes. 1/4 and 2/8 are equivalent fractions.
A vampire's coffin is built with unit cubes. If the coffin has 2 layers and each layer contains 6 unit cubes, what is the volume?
12 cubic units
A friendly ghost collected candy for 4 nights and got 1/3 of a bag each night. How much candy does he have in total?
4/3
or
1 and 1/3
3 little goblins want to share 2 Halloween cupcakes equally. How much does each goblin get?
2/3 of a cupcake
A vampire is 16 years old (in vampire years). True or False: 16 is a prime number.
False (16 has factor pairs: 1×16, 2×8, 4×4
A witch's spell calls for 3/5 cup of bat wings and 3/10 cup of spider legs. Which ingredient needs more?
Bat wings! 3/5 = 6/10 which is greater than 3/10
A haunted treasure chest measures 3 units long, 2 units wide, and 4 units tall. What is its volume?
24 cubic units. (3 x 2 x 4 = 24)
A witch's potion recipe calls for 6 drops of spider essence. If each drop is 2/5 ounces, how many ounces does she need?
12/5
or
2 and 2/5
A ghost has 5 sheets to share equally among 4 of his friends. Write this as both a division expression and a fraction.
5 divided by 4 = 5/4
A ghost is collecting candy and gets multiples of 6 pieces each night. If he collects for 4 nights, name three possible total amounts he could have.
24, 30, and 36 pieces of candy
(Any 3 multiples of 6 accepted)
A pumpkin pie was divided into 12 equal pieces. If 8/12 of the pie was eaten, write this fraction in simplest form.
2/3
A witch's cauldron is shaped like a rectangular prism. If the base area is 15 square units and the height is 4 units, find the volume.
60 cubic units? (Volume = base area × height = 15 x 4 = 60)
A werewolf runs 2 and 1/4 miles each night for 3 nights during the full moon. How far does he run in total?
6 and 3/4
or
27/4
7 monsters want to share 12 pounds of Halloween candy equally. How many pounds does each monster get? Express as a mixed number.
1 and 5/7
A haunted house has 48 spooky rooms. The ghost tour guide wants to divide visitors into equal groups to visit different numbers of rooms. Find all the factor pairs of 48.
1×48, 2×24, 3×16, 4×12, and 6×8
A zombie needs to compare 4/6 and 5/8. Determine which is greater.
4/6
A zombie's brain storage container is made of two rectangular prisms. The first measures 5×3×2 units and the second measures 4×2×3 units. What is the total volume?
54 cubic units. (5 x 3 x 2 = 30 and 4 x 2 x 3 = 24. 30 + 24 = 54)
A rectangular Halloween banner is 8 feet long and 3/4 feet wide. What is the area of the banner?
6 square feet
or
24/4
A witch wants to divide 15 ounces of magic potion equally into bottles that hold ounce each 3/4. How many bottles can she fill?
20 bottles
A mad scientist needs prime numbers for her potion recipe. She has the numbers 73, 74, 75, 76, and 77. How many of these numbers are prime?
One- (Only 73 is prime; 74=2×37, 75=3×25, 76=4×19, 77=7×11)
Order these Halloween fractions from least to greatest:
7/12 3/4 5/6 1/2
1/2 7/12 3/4 5/6
A monster's laboratory has a complicated storage system. The main compartment is 8×5×6 units, but it has a smaller 2×2×6 unit section removed from one corner. What volume remains?
216 cubic units.
(8 x 5 x 6 = 240 minus 2 x 2 x 6 = 24) 240-24= 216
A mad scientist has a rectangular lab table that measures 4 and 2/3 feet by 5 feet. Find the area using the distributive property.
23 and 1/3 square feet
or
70/3
A vampire family has 22 blood oranges to share equally among the 6 family members. Between which two whole numbers does each vampire's share fall, and what is the exact amount?
Between 3 and 4
3 and 2/3