Concept 4 of 8Foundation
Watch on YouTubeVideoUnits of length and conversions
Smallest to largest:
- 1 cm = 10 mm
- 1 m = 100 cm = 1000 mm
- 1 km = 1000 m
Choose the right unit:
- Ant body → mm
- Notebook → cm
- Room → m
- Between cities → km
Example
2.5 km = 2,500 m = 2,50,000 cm = 25,00,000 mm.
35 mm = 3.5 cm = 0.035 m.
35 mm = 3.5 cm = 0.035 m.
💡 Tip:Going from big → small, you multiply. Small → big, you divide.
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5 questions to check what you just read.
0 / 5
- Q1.1 km = ___ m:
- Q2.1 m = ___ cm:
- Q3.1 cm = ___ mm:
- Q4.2.5 m in cm:
- Q5.Best unit for length of a pen: