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Numbers

ICSE · Class 4 · Mathematics

Flashcards for Numbers — ICSE Class 4 Mathematics. Quick Q&A cards covering key concepts, definitions, and formulas.

43 questions25 flashcards5 concepts

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25 Flashcards
Card 1Expanded Form

Write 5,72,634 in expanded form using Indian place value.

Answer

Step 1: Identify each digit's place value.<br>5 is in Lakhs → 5 × 1,00,000 = 5,00,000<br>7 is in Ten Thousands → 7 × 10,000 = 70,000<br>2 is in Thousands → 2 × 1,000 = 2,000<br>6 is in Hundreds → 6 × …

Card 2Short Form

Write the number: 8,00,000 + 40,000 + 500 + 20 + 7

Answer

Step 1: Write digits in correct places.<br>8,00,000 → 8 in Lakhs<br>40,000 → 4 in Ten Thousands<br>0 in Thousands<br>500 → 5 in Hundreds<br>20 → 2 in Tens<br>7 → 7 in Ones<br><br>So, number is: 8,40,5…

Card 3Number Names

Write 7,35,628 in words (Indian System).

Answer

Step 1: Break into periods.<br>Lakhs: 7 → Seven Lakh<br>Thousands: 35 → Thirty-Five Thousand<br>Ones: 628 → Six Hundred Twenty-Eight<br><br>Full number: Seven Lakh Thirty-Five Thousand Six Hundred Twe…

Card 4Number Names

Write 62,34,509 in words (Indian System).

Answer

Step 1: Break into periods.<br>62 → Sixty-Two Lakh<br>34 → Thirty-Four Thousand<br>509 → Five Hundred Nine<br><br>Answer: Sixty-Two Lakh Thirty-Four Thousand Five Hundred Nine…

Card 5Number Formation

Write the number: Fourteen Lakh Seventy-Two Thousand Three Hundred One

Answer

Step 1: Break into parts.<br>Fourteen Lakh → 14,00,000<br>Seventy-Two Thousand → 72,000<br>Three Hundred One → 301<br><br>Add: 14,00,000 + 72,000 = 14,72,000 + 301 = 14,72,301…

Card 6Comma Placement

Put commas in 8725361 using Indian System.

Answer

Step 1: Start from right.<br>First 3 digits: 61 → Ones period<br>Next 2: 53 → Thousands period<br>Next 2: 72 → Lakhs period<br>Remaining: 8 → Crores<br><br>So: 87,25,361…

Card 7International System

Put commas in 9256374 using International System.

Answer

Step 1: Group from right in 3s.<br>74 → Ones<br>637 → Thousands<br>925 → Millions<br><br>So: 9,256,374…

Card 8Comparing Numbers

Compare: 4,56,783 and 4,56,873

Answer

Step 1: Both have same digits till Thousands.<br>Compare Hundreds place:<br>First number: 7 hundreds<br>Second number: 8 hundreds<br>Since 8 > 7, so 4,56,873 > 4,56,783…

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Frequently Asked Questions

What are the important topics in Numbers for ICSE Class 4 Mathematics?
Key topics in Numbers include Numbers Chapter - Concept Overview, A flowchart showing how each unit builds up to the next bigger unit by multiplying by 10, A flowchart explaining what a lakh is and how to write it. These are the concepts ICSE Class 4 examiners draw on most — study them first, then practise related questions.
How to score full marks in Numbers — ICSE Class 4 Mathematics?
Understand the core concepts first, then work through the 43 practice questions available for this chapter. Revise formulas and definitions regularly, and use flashcards for quick recall before the exam.
How many flashcards are available for Numbers?
There are 25 flashcards for Numbers covering key definitions, formulas, and concepts. Use them daily for 10–15 minutes for best results.

Sources & Official References

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

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