CAAT Measurement and Units 1 — Questions and Answers
Question 1: How many centimeters are in 1 meter?
- 10
- 100 (Correct answer)
- 1000
- 10000
Correct answer: 100
There are 100 centimeters in 1 meter, as the prefix 'centi' means one hundredth.
Question 2: Which unit would you use to measure the weight of a bag of apples?
- Milliliters
- Kilograms (Correct answer)
- Centimeters
- Seconds
Correct answer: Kilograms
Kilograms measure mass/weight, making them appropriate for weighing everyday items like a bag of apples.
Question 3: How many minutes are in 2.5 hours?
- 120
- 130
- 150 (Correct answer)
- 160
Correct answer: 150
Since there are 60 minutes in 1 hour, 2.5 hours × 60 = 150 minutes.
Question 4: A room is 4 meters wide and 5 meters long. What is its area?
- 9 square meters
- 18 square meters
- 20 square meters (Correct answer)
- 22 square meters
Correct answer: 20 square meters
Area of a rectangle = length × width = 5 × 4 = 20 square meters.
Question 5: How many milliliters are in 1 liter?
- 10
- 100
- 1000 (Correct answer)
- 10000
Correct answer: 1000
There are 1000 milliliters in 1 liter, as 'milli' means one thousandth.
Question 6: A bookshelf is 180 cm tall. What is this measurement in meters?
- 0.18 m
- 1.8 m (Correct answer)
- 18 m
- 1800 m
Correct answer: 1.8 m
To convert centimeters to meters, divide by 100: 180 ÷ 100 = 1.8 m.
Question 7: Which of the following is the most appropriate unit for measuring the length of a pencil?
- Kilometers
- Meters
- Centimeters (Correct answer)
- Millimeters
Correct answer: Centimeters
Centimeters are the most practical unit for measuring small everyday objects like a pencil, which is typically 15–20 cm long.
CAAT Measurement and Units 1
How many centimeters are in 1 meter?