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Addition

ICSE · Class 3 · Mathematics

Flashcards for Addition — ICSE Class 3 Mathematics. Quick Q&A cards covering key concepts, definitions, and formulas.

40 questions30 flashcards4 concepts

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30 Flashcards
Card 1Addition without carry-over

Add 246 and 712 (no carry-over).

Answer

Step 1: Add ones → 6 + 2 = 8 Step 2: Add tens → 4 + 1 = 5 Step 3: Add hundreds → 2 + 7 = 9 Answer: 958…

Card 2Addition with carry-over

Add 564 and 258 (with carry-over).

Answer

Step 1: Ones → 4 + 8 = 12 → write 2, carry 1 Step 2: Tens → 6 + 5 + 1 = 12 → write 2, carry 1 Step 3: Hundreds → 5 + 2 + 1 = 8 Answer: 822…

Card 3Adding 3-digit and 4-digit numbers

Add 3304 and 828.

Answer

Step 1: Ones → 4 + 8 = 12 → write 2, carry 1 Step 2: Tens → 0 + 2 + 1 = 3 Step 3: Hundreds → 3 + 8 = 11 → write 1, carry 1 Step 4: Thousands → 3 + 1 = 4 Answer: 4132…

Card 44-digit addition without carry

Add 3124 and 4350 (no carry-over).

Answer

Step 1: Ones → 4 + 0 = 4 Step 2: Tens → 2 + 5 = 7 Step 3: Hundreds → 1 + 3 = 4 Step 4: Thousands → 3 + 4 = 7 Answer: 7474…

Card 54-digit addition with carry

Add 4738 and 2545 (with carry-over).

Answer

Step 1: Ones → 8 + 5 = 13 → write 3, carry 1 Step 2: Tens → 3 + 4 + 1 = 8 Step 3: Hundreds → 7 + 5 = 12 → write 2, carry 1 Step 4: Thousands → 4 + 2 + 1 = 7 Answer: 7283…

Card 6Adding three 4-digit numbers

Add 4299, 1084, and 1931.

Answer

Step 1: Ones → 9 + 4 + 1 = 14 → write 4, carry 1 Step 2: Tens → 9 + 8 + 3 + 1 = 21 → write 1, carry 2 Step 3: Hundreds → 2 + 0 + 9 + 2 = 13 → write 3, carry 1 Step 4: Thousands → 4 + 1 + 1 + 1 = 7 Ans…

Card 7Word problems

A gardener planted 264 marigolds, 425 roses, and 240 sunflowers. How many plants in total?

Answer

Step 1: Add hundreds → 200 + 400 + 200 = 800 Step 2: Add tens and ones → 64 + 25 + 40 = 129 Step 3: Total → 800 + 129 = 929 Answer: 929 plants…

Card 8Word problems

Vikas has 1245 stamps, Vidhi has 157. How many in all?

Answer

Step 1: Add ones → 5 + 7 = 12 → write 2, carry 1 Step 2: Tens → 4 + 5 + 1 = 10 → write 0, carry 1 Step 3: Hundreds → 2 + 1 + 1 = 4 Step 4: Thousands → 1 + 0 = 1 Answer: 1402 stamps…

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Frequently Asked Questions

What are the important topics in Addition for ICSE Class 3 Mathematics?
Key topics in Addition include Addition – Chapter Overview Mind Map, Mind map showing all major topics covered in the Addition chapter, Diagram showing how each digit in a number represents a different place value. These are the concepts ICSE Class 3 examiners draw on most — study them first, then practise related questions.
How to score full marks in Addition — ICSE Class 3 Mathematics?
Understand the core concepts first, then work through the 40 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 30 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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