Designing your space
Exploring the trades
Math at work
Math at play
100

If a rectangular room is 10 feet long and 8 feet wide, what is its total area in square feet?

80 square feet

100

As a painter, I need to buy enough paint for a wall that is 10 feet long and 8 feet high. If one gallon of paint covers 400 square feet, how many gallons do I need?

1 gallon

100

I'm sorting artifacts and have 47 flint tools and 32 bone tools. How many tools do I have in total?

79 tools

100

In a standard deck of 52 playing cards, if you've already drawn 3 cards, and none of them are aces, how many cards are left in the deck?

49 cards

200

You want to buy enough paint to cover a wall that is 12 feet wide and 8 feet high. If one gallon of paint covers approximately 350 square feet, how many gallons of paint will you need for this wall?

1 gallon

200

I'm a roofer installing shingles. Each bundle of shingles covers 33 square feet. If the roof I'm working on is 198 square feet, how many bundles of shingles do I need?

6 bundles

200

An excavation trench is 10 meters long and 4 meters wide. What is the total area of this trench in square meters?

40m2

200

In a board game, you need to move 7 spaces to land on a specific spot. If you roll two dice and get a 3 and a 4, how many spaces do you move, and do you land on the spot?

7 spaces and yes will land on the spot

300

A client wants to cover a circular table with a tablecloth that hangs down 6 inches on all sides. If the diameter of the tabletop is 4 feet, what is the total diameter of the tablecloth needed in inches?

60 inches

300

As a plumber, I'm cutting a piece of pipe that needs to be 4 feet, 7 and 3/4 inches long. I have a pipe that is 7 feet, 2 and 1/2 inches long. How much pipe will be left after I make the cut?

2 feet 6 and 3/4 inches 

300

I've found 245 ceramic fragments. If 20% of them are decorated, how many decorated fragments do I have?

49

300

Your character in a role-playing game has 85 hit points (HP). You take damage that reduces your HP by 15%, then heal for 20 HP. What is your current HP?

92 or 93 depending on the game

400

You are installing L-shaped kitchen cabinets. One section is 8 feet long and the perpendicular section is 6 feet long. If base cabinets are typically 24 inches deep, and you need to leave a 3-inch gap for utilities behind the cabinets on both runs, what is the total length of countertop material needed for both sections, assuming you cut the corner precisely? (Consider the overlap at the corner).

12 feet

400

I'm an electrician calculating voltage drop. A circuit is 150 feet long, and the wire has a resistance of 0.002 ohms per foot. If the current flowing through the circuit is 12 amps, what is the voltage drop? (Use Ohm's Law: Voltage Drop = Current x Total Resistance)

3.6 volts

400

A stratigraphy drawing is made at a scale of 1:20. If a layer of soil on the drawing measures 15 cm in thickness, what is its actual thickness in meters?

3 meters

400

In a strategy game, your army consists of 3 units, each dealing 5 damage per turn. The enemy has a single unit with 60 hit points (HP) and takes 25% less damage due to armor. How many turns will it take your army to defeat the enemy unit, assuming you attack every turn?

6

500

A designer is planning a custom area rug for an irregularly shaped living room. The room can be approximated as a rectangle with dimensions of 18 feet by 12 feet, but it has a semi-circular alcove on one of the 12-foot walls, with the alcove's diameter being equal to the wall's length. If the rug needs to cover 80% of the total floor area, what is the area of the rug in square feet, rounded to the nearest whole number? (Use π≈3.14)

218 square feet

500

As an HVAC technician, I need to determine the required airflow (CFM - cubic feet per minute) for a room. The room is 20 feet long, 15 feet wide, and 8 feet high. If the recommended air change rate for this type of room is 6 air changes per hour (ACH), what is the required CFM?

240 CFM

500

An archaeological site is plotted on a map. Point A is at coordinates (250 E, 100 N) and Point B is at (270 E, 115 N). Assuming these are in meters, what is the straight-line distance between Point A and Point B? (Hint: Use the Pythagorean theorem)

25 meters

500

You are playing a game where you need to roll a 7 or higher on two standard six-sided dice to succeed. What is the probability of succeeding on your next roll? (Express as a percentage).

58.33%