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Addition

ICSE · Class 4 · Mathematics

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

42 questions24 flashcards4 concepts

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24 Flashcards
Card 1Addition of Large Numbers

Add: 4,56,789 + 2,34,567

Answer

Step 1: Arrange numbers in columns. Step 2: Add ones: 9 + 7 = 16 → write 6, carry 1 Step 3: Add tens: 8 + 6 + 1 = 15 → write 5, carry 1 Step 4: Add hundreds: 7 + 5 + 1 = 13 → write 3…

Card 2Addition of Large Numbers

Add: 1,23,456 + 78,901 + 56,789

Answer

Step 1: Arrange in columns. Step 2: Add ones: 6 + 1 + 9 = 16 → write 6, carry 1 Step 3: Add tens: 5 + 0 + 8 + 1 = 14 → write 4, carry 1 Step 4: Add hundreds: 4 + 9 + 7 + 1 = 21 → wri…

Card 3Addition of Zero

What is 3,45,678 + 0?

Answer

When we add 0 to any number, the number remains the same. So, 3,45,678 + 0 = 3,45,678…

Card 4Commutative Property

Is 2,34,567 + 1,23,456 the same as 1,23,456 + 2,34,567? Why?

Answer

Yes, they are the same because of the commutative property of addition. This property says that changing the order of numbers does not change the sum. Example: 2,34,567 + 1,23,456 = 3,58,023 and…

Card 5Addition of Large Numbers

Add: 5,67,890 + 3,45,678

Answer

Step 1: Add ones: 0 + 8 = 8 Step 2: Add tens: 9 + 7 = 16 → write 6, carry 1 Step 3: Add hundreds: 8 + 6 + 1 = 15 → write 5, carry 1 Step 4: Add thousands: 7 + 5 + 1 = 13 → write 3, c…

Card 6Associative Property

Use the associative property to group and add: (1,23,456 + 78,901) + 56,789

Answer

Step 1: First add inside brackets: 1,23,456 + 78,901 = 2,02,357 Step 2: Now add 2,02,357 + 56,789 Step 3: Add ones: 7 + 9 = 16 → write 6, carry 1 Step 4: Add tens: 5 + 8 + 1 = 14 → w…

Card 7Addition of Large Numbers

Add: 9,99,999 + 1

Answer

Step 1: Add ones: 9 + 1 = 10 → write 0, carry 1 Step 2: Add tens: 9 + 0 + 1 = 10 → write 0, carry 1 Step 3: Add hundreds: 9 + 0 + 1 = 10 → write 0, carry 1 Step 4: Add thousands: 9 +…

Card 8Large Number Addition

What is the sum of the largest 6-digit number and the smallest 7-digit number?

Answer

Largest 6-digit number = 9,99,999 Smallest 7-digit number = 10,00,000 Sum = 9,99,999 + 10,00,000 = 19,99,999…

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Frequently Asked Questions

What are the important topics in Addition for ICSE Class 4 Mathematics?
Key topics in Addition include This flowchart shows the parts of a basic addition statement with 12 + 8 = 20, Flowchart demonstrating how changing the order of addends doesn't change the sum, Flowchart showing how adding zero to any number keeps it unchanged. These are the concepts ICSE Class 4 examiners draw on most — study them first, then practise related questions.
How to score full marks in Addition — ICSE Class 4 Mathematics?
Understand the core concepts first, then work through the 42 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 Addition?
There are 24 flashcards for Addition 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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