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Rounding Off Estimations — Flashcards

ICSE · Class 5 · Mathematics

25 flashcards for Rounding Off Estimations (ICSE Class 5 Mathematics) to test yourself on key terms and facts. Sample: "Round off 47 to the nearest ten."

39 questions25 flashcards5 formulas & key relations3 concepts

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25 Flashcards·
Rounding to Nearest TenRounding to Nearest HundredRounding to Nearest ThousandEstimation in AdditionEstimation in Subtraction
Card 1Rounding to Nearest Ten

Round off 47 to the nearest ten.

Answer

Step 1: Look at the ones digit — it is 7. Step 2: Since 7 ≥ 5, we round up. Step 3: 47 becomes 50. Answer: 50…

Card 2Rounding to Nearest Ten

Round off 82 to the nearest ten.

Answer

Step 1: Look at the ones digit — it is 2. Step 2: Since 2 < 5, we round down. Step 3: 82 becomes 80. Answer: 80…

Card 3Rounding to Nearest Hundred

Round off 367 to the nearest hundred.

Answer

Step 1: Look at the tens digit — it is 6. Step 2: Since 6 ≥ 5, we round up. Step 3: 367 becomes 400. Answer: 400…

Card 4Rounding to Nearest Hundred

Round off 542 to the nearest hundred.

Answer

Step 1: Look at the tens digit — it is 4. Step 2: Since 4 < 5, we round down. Step 3: 542 becomes 500. Answer: 500…

Card 5Rounding to Nearest Thousand

Round off 2,738 to the nearest thousand.

Answer

Step 1: Look at the hundreds digit — it is 7. Step 2: Since 7 ≥ 5, we round up. Step 3: 2,738 becomes 3,000. Answer: 3,000…

Card 6Rounding to Nearest Thousand

Round off 4,321 to the nearest thousand.

Answer

Step 1: Look at the hundreds digit — it is 3. Step 2: Since 3 < 5, we round down. Step 3: 4,321 becomes 4,000. Answer: 4,000…

Card 7Estimation in Addition

Estimate the sum: 348 + 567 (round to nearest hundred).

Answer

Step 1: Round 348 → 300 (4 < 5) Step 2: Round 567 → 600 (6 ≥ 5) Step 3: Add: 300 + 600 = 900 Estimated sum: 900…

Card 8Estimation in Subtraction

Estimate the difference: 823 – 476 (round to nearest hundred).

Answer

Step 1: Round 823 → 800 (2 < 5) Step 2: Round 476 → 500 (7 ≥ 5) Step 3: Subtract: 800 – 500 = 300 Estimated difference: 300…

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Frequently Asked Questions

What are the important topics in Rounding Off Estimations for ICSE Class 5 Mathematics?
Key topics in Rounding Off Estimations include Rounding Off Numbers, Estimation in Number Operations. Study these first, then practise questions on each for Class 5 exams.
How many flashcards are available for Rounding Off Estimations?
There are 25 flashcards for Rounding Off Estimations covering key definitions, facts and ideas. A few sample cards are shown on this page.
How should I revise Rounding Off Estimations for Class 5 exams?
Learn the core ideas first, then work through the 39 practice questions on Rounding Off Estimations. Revise 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.

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