Measurement of Length
Length is used to measure how long or short an object is.
- 1 km = 1000 m
- 1 m = 100 cm
- 1 cm = 10 mm
Measurement of Weight
Weight tells us how heavy or light an object is.
- 1 kg = 1000 g
- 1 g = 1000 mg
Measurement of Capacity
Capacity measures the volume of liquids.
- 1 L = 1000 mL
Measurement of Time
Time helps in scheduling and organizing events.
- 1 min = 60 s
- 1 hour = 60 min
- 1 day = 24 hours
Measurement of Money
Money is essential for transactions.
- Indian currency includes coins (₹1, ₹2, ₹5, ₹10) and notes (₹10, ₹20, ₹50, ₹100, ₹500, ₹2000).
Word Problems
Problem: A bag of rice weighs 5 kg. How many grams is this?
Solution: 5 kg × 1000 = 5000 g.
Summary
Understanding measurement helps in real-life applications and problem-solving.