Miss Kashef here — let's explore length and distance together!
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Length and Distance
Hello my curious Grade 3 friends! Today Miss Kashef will help you become experts at measuring length and distance. We will learn centimetres, metres, kilometres, how to measure, compare, and use them in real life with lots of fun examples!
Units of Length
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Millimetre (mm)
Very small (thickness of a coin)
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Centimetre (cm)
Width of your finger
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Metre (m)
Height of a door
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Kilometre (km)
Distance to school
How to Use a Ruler
0 cm
5 cm
10 cm
15 cm
Always start measuring from 0!
Comparing Lengths
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Short
🦒
Long
Converting Units
100 centimetres = 1 metre
1000 metres = 1 kilometre
10 millimetres = 1 centimetre
Real Life Examples
Your pencil is about 18 cm long
Your desk is about 1.2 metres long
Distance to school is 2 kilometres
Your height is 1 metre 35 cm
Estimation Practice
Estimate the length of your arm
Estimate how long the classroom is
Word Problems
A rope is 245 cm long. You cut 80 cm. How long is the remaining rope?
165 cm
You Are Doing Amazing!
You can now measure, compare, convert, and use length and distance in real life.
Miss Kashef is so proud of you!
Well Done, My Smart Explorers! 🌟
You have completed the full lesson on Length and Distance.