Skip to main content
Super TutorResources
Chapter 3 of 22
QuestionsNotesFlashcardsSummaryFormulasQuizConceptsSyllabusPlan
Chapter Summary

International Number System

ICSE · Class 5 · Mathematics

Summary of International Number System for ICSE Class 5 Mathematics. Key concepts, important points, and chapter overview.

41 questions25 flashcards3 concepts

Interactive on Super Tutor

Studying International Number System? Get the full interactive chapter.

Quizzes, flashcards, AI doubt-solver and a step-by-step study plan — built for chapter summary and more.

Try Super Tutor — Free

1,000+ Class 5 students started this chapter today

Overview

In this chapter, we learn about the International Number System, which is used in most parts of the world. It helps us read and write large numbers using periods like ones, thousands, and millions. We compare it with the Indian Number System that we are familiar with, which uses lakhs and crores. Un

Key Concepts

The International Number System groups digits

The International Number System groups digits into periods of three: Ones, Thousands, and Millions. Each period has three places: hundreds, tens, and

In the International system

In the International system, the place values from right to left are: Ones, Tens, Hundreds, Thousands, Ten Thousands, Hundred Thousands, Millions, Ten

In the Indian system

In the Indian system, we use lakhs (1,00,000) and crores (1,00,00,000), while in the International system, we use millions (1,000,000) and billions (1

Learning Objectives

  • Understand the International Number System and its place values
  • Compare the Indian and International number systems
  • Convert numbers between Indian and International systems
  • Write number names and numerals correctly in the International system
  • Use place value charts to read and write large numbers

Frequently Asked Questions

What are the important topics in International Number System for ICSE Class 5 Mathematics?
Key topics in International Number System include International Number System – Chapter Overview, International Number System - Complete Overview, Flowchart showing how the same number is written and named differently in Indian vs International systems. These are the concepts ICSE Class 5 examiners draw on most — study them first, then practise related questions.
How to score full marks in International Number System — ICSE Class 5 Mathematics?
Understand the core concepts first, then work through the 41 practice questions available for this chapter. Revise formulas and definitions regularly, and use flashcards for quick recall before the exam.

Sources & Official References

Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.

More resources for International Number System

All 22 chapters — ICSE Class 5 Mathematics Chapter Summary

For serious students

Get the full International Number System chapter — for free.

Quizzes, flashcards, AI doubt-solver and a step-by-step study plan for ICSE Class 5 Mathematics.

Try Super Tutor Free
Try the full chapter — Free