International Number System (Class 5)
The international number system is a system of numeration used in most countries around the world. The system uses groups or periods of three digits each to represent larger numbers. The first period from the right is the one's period, followed by the thousands period, the millions period, and so on.
Class 5 Maths
Place Value
Millions & Billions
Interactive Worksheet
📘 Worksheet Pages
How to use this section
Click any worksheet image to open it in full view. These pages are arranged neatly so students can revise page-wise.
page1
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page 2
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page 3
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page4
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Page 5
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page 6
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Page 7
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Page 8
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Page 9
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Page 10
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Page 10
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🎯 Learning Area
Comma Rule Demo
In the International Number System, commas are placed after every 3 digits from the right.
1
,
2
3
4
,
5
6
7
Thousands
After first comma
Millions
After second comma
Billions
For very large numbers
🎯 Learning Objectives
- Understand International place value system.
- Read and write large numbers correctly.
- Learn comma placement rules.
🧩 Competencies
- Conceptual Understanding
- Numerical Skills
- Application Skills
- Logical Thinking
📊 Learning Outcomes
- Reads numbers in thousands, millions, billions.
- Writes numbers using correct commas.
- Applies place value concept correctly.
📝 MCQ Worksheet
Use the page-wise worksheet section above for MCQ practice and revision.
Quick Check: Which system uses millions and billions instead of lakhs and crores?
🌈 5W–1H + 1U
What: Writing numbers using thousands, millions, billions
Why: To read and understand large numbers globally
When: Used in international data, science, population
Where: Used worldwide (USA, UK, etc.)
Who: Scientists, students, global users
How: Comma after every 3 digits (e.g., 1,234,567)
1U: Uses millions and billions instead of lakhs and crores
🎥 Evidence (Student Activity)
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Student Activity Idea
Students can read large numbers aloud, place commas correctly, and compare the Indian and International number systems.
🧠 HOTS
1. Why international system is important?
It is used globally for communication.
2. Why commas are after 3 digits?
To make reading easy.
3. Compare million and lakh.
1 million = 10 lakh.
4. Why scientists use international system?
For universal understanding.
5. What happens without commas?
Numbers become difficult to read.
