Percents
What is 25% of 80?
20
A rectangular prism has a length of 5 cm, a width of 3 cm, and a height of 10 cm. What is its volume?
150 cm3
A cube has a side length of 3 cm. What is its total surface area?
54 cm2
Mash Up Math Slide $100
23
A gardener wants to know how much soil is needed to fill a raised planter box. Which measurement should they use?
Volume
A hoodie normally costs $40, but it is on sale for 15% off. How many dollars is the discount?
$6
If a cube has a volume of 27 cubic inches, what is the length of one of its sides?
3 inches
A rectangular prism net shows two 4 times 5 faces, two 4 times 10 faces, and two 5 times 10 faces. What is the total surface area?
220 units2
Mash Up Math Slide $200
19
A painter needs to know how much paint to buy for the outside of a large wooden crate. Which measurement should they use?
Surface Area
A hoodie normally costs $40, but it is on sale for 15% off. How much would you pay for the hoodie on sale?
$34
A storage unit is 10 feet long, 5.5 feet wide, and 8 feet high. What is the maximum volume of items it can hold?
440 ft3
You are painting a wooden toy box that is 3 feet long, 2 feet wide, and 2 feet high. How many square feet of paint do you need?
32 ft2
Mash Up Math Slide $300
25
An aquarium owner wants to know how many gallons of water their tank can hold. What should they calculate first?
Volume
A family’s dinner bill was $60. They want to leave an 18% tip. What is the total amount they will pay, including the tip?
$70.80
A small jewelry shipping box has the following dimensions: a length of 3 1/2 inches, a width of 2 inches, and a height of 1 1/4 inches.
35/4 in3
OR
8 3/4 in3
A flat piece of chocolate is a rectangular prism with a length of 4 inches, a width of 2 inches, and a height of 1/2 inch. What is its total surface area?
22 in2
Mash Up Math Slide $400
69
A factory is determining how much cardboard is needed to manufacture 100 shipping boxes. Which measurement is most important?
Surface Area
If 30% of a mystery number is 12, what is the mystery number?
40
An aquarium is shaped like a rectangular prism. It has a base area of 12 1/2 feet2. The water inside is filled to a height of 1 1/2 feet.
75/4 ft3
OR
18 3/4 ft3
If you were given a net where the square side is 6 cm and the triangle height (slant height) is 10 cm.
156 cm2
Mash Up Math Slide $500
14
If you are 'wrapping' a 3D shape in paper, you are finding the __________. If you are 'filling' it with water, you are finding the __________.
surface area; volume