PSA Math Probe #4 (4G)

Whole Numbers

A police officer needs to write a report about items stolen from a house. The stolen items are worth: $1,250, $899, and $2,565. What is the total value of the stolen items?

Subtraction of Fractions

An EMT has 3/4 of a tank of gas in their ambulance. After responding to an emergency call, they used 1/4 of a tank. How much is left in the gas tank?

Addition of Decimals

A firefighter needs to measure a room. The length is 12.5 feet and the width is 8.2 feet. What is the total perimeter of the room?

✅ P=2l+2w

In a team of 15 Starfleet officers going to a planet's surface, 10 are wearing red uniforms. What is the ratio of officers wearing red uniforms?

Basic Measurement

In feet and inches, what is the measurement shown here?

📏12 inches = 1 foot

Percentages

A fire station responds to 80 calls per month. If 20 of these calls are medical emergencies, what percentage of calls are medical emergencies?

✅(value/total value)×100%

Proportions

If 3 EMTs can check 6 patients in one hour, how many patients can 9 EMTs check in one hour?

Practical Geometry

A rottweiler patrols a rectangular junkyard.

If the junkyard is 40 feet wide and 60 feet long, what is the area of the junkyard?

✅ (A=lw)

Basic Algebra

A paramedic's kit weighs x pounds. If you add 5 pounds of supplies, the total weight is 12 pounds. How many pounds did the kit weigh originally?

• x + 5 = 12, solve for x

Basic Geometry

Find the length, width, and height of the rectangular prism. Then find the volume. Each cube is 1 inch².

✅ V=LWH