Rates and Ratios
Which of the following is an example of a rate?
A) 10 meters
B) 50 km/h
C) Two apples
D) 2 hours
B) 50 km/h
Which of the following numbers is not a perfect square?
A) 121
B) 64
C) 361
D) 179
D) 179
What is the SI unit for measuring length?
A) Meter
B) Gram
C) Liter
D) Celsius
A) Meter
What is the formula for the volume of a pyramid?
A) V = (1/2) x base area x height
B) V = (1/3) x base area x height
C) V = base area x height
D) V = π x radius² x height
B) V = (1/3) x base area x height
A car travels 150 kilometers in 3 hours. What is the average speed of the car?
A) 25 km/h
B) 50 km/h
C) 75 km/h
D) 100 km/h
B) 50 km/h
Which of the following numbers has a square root that is a rational number?
A) 20
B) 45
C) 81
D) 50
C) 81
A container holds 5 liters of water. How many milliliters is this equivalent to?
A) 500 mL
B) 5,000 mL
C) 50 mL
D) 5 mL
B) 5,000 mL
A square pyramid has a base area of 25 square meters and a height of 10 meters. What is its volume?
A) 50 m³
B) 83.33 m³
C) 75 m³
D) 100 m³
B) 83.33 m³
Which statement about rates is true?
A) Rates compare two similar quantities
B) Rates compare two different quantities
C) Rates always use units of time
D) Rates are never used in real life
B) Rates compare two different quantities
Which of the following numbers is an example of an irrational number?
A) 9
B) √2
C) 16
D) √9
B) √2
Convert 4.5 kilograms to grams.
A) 450 grams
B) 4,500 grams
C) 45 grams
D) 4.5 grams
B) 4,500 grams
A cylindrical tank has a radius of 3 meters and a height of 5 meters. What is the volume of the tank if π = 3.14?
A) 15 m³
B) 47.1 m³
C) 141.3 m³
D) 235.5 m³
C) 141.3 m³
If a person walks 5 km in 2 hours, what is their rate of walking?
A) 2.5 km/h
B) 10 km/h
C) 0.4 km/h
D) 1 km/h
A) 2.5 km/h
On the number line, between which two integers does the square root of 7 lie?
A) 2 and 3
B) 3 and 4
C) 4 and 5
D) 5 and 6
B) 3 and 4
If a plank is 12.5 feet long, how many inches is this?
A) 125 inches
B) 150 inches
C) 100 inches
D) 130 inches
B) 150 inches
A rectangular pyramid has a base length of 5.2 meters, a base width of 3.1 meters, and a height of 4 meters. What is the estimated volume?
A) 25 m³
B) 26.67 m³
C) 20 m³
D) 24 m³
B) 26.67 m³
A faucet drips 1 liter of water every 4 minutes. How much water would it drip in an hour?
A) 10 liters
B) 15 liters
C) 30 liters
D) 45 liters
B) 15 liters
Which of the following statements is true about the placement of √5 on the number line?
A) It lies between 1 and 2
B) It lies between 2 and 3
C) It lies between 3 and 4
D) It lies between 4 and 5
C) It lies between 3 and 4
A chef needs 120 quarts of broth for a soup. How many gallons is this?
A) 20 gallons
B) 30 gallons
C) 40 gallons
D) 50 gallons
B) 30 gallons
A rectangular pyramid has a base length of 8.9 meters, a base width of 6.4 meters, and a height of 9 meters. Calculate its volume.
A) 162 m³
B) 189 m³
C) 144 m³
D) 168 m³
B) 189 m³