CBSE Class 5  >  Class 5 Notes  >  Mathematics  >  Worksheet: Operations on Large Numbers

Worksheet: Operations on Large Numbers

Question 1: Add the following numbers:

  • 6,230 and 1,736
  • 2,536, 5,384 and 1,207

Question 2: Multiply the following numbers:

  • 903 by 47
  • 6,354 by 208
  • 4,005 by 192

Question 3: Fill in the blanks:

  • ______ + 9,573 = 9,573
  • 612 × 8 = 8 ×
  • 8,305 × 10 =
  • 8,734 × ______ = 0
  • 8,572  1,000 gives quotient = ______ and remainder = ______.

Question 4: Find the sum:

  • Worksheet: Operations on Large Numbers
  • Worksheet: Operations on Large Numbers
  • Worksheet: Operations on Large Numbers
  • Worksheet: Operations on Large Numbers

Question 5: Arrange in columns and add:

  • 10,93,412; 53,09,426 and 4,01,58,394
  • 54,39,724; 4,32,01,582 and 3,91,264
  • 6,21,94,351; 37,25,001; 30,05,109 and 1,50,602.

Question 6: Replace * by the correct digits:

  • Worksheet: Operations on Large Numbers
  • Worksheet: Operations on Large Numbers

Question 7: A poultry farm produced 18,52,640; 19,25,439 and 20,05,419 eggs in three consecutive Years. Find the total number of eggs produced in the farm?

Question 8: The number of tourists who visited Nainital in three successive years were 4,32,694; 53,90,861 and 6,35,418. How man tourists in all visited Nainital in those three years?

Question 9: The population of a city is 25,00,054. Out of these, 13,85,768 are males. How man females are there in the city?

Question 10: What must be added to 35,19,472 to get 5,13,72,510?

Question 11: Using the properties of multiplication, fill in the blanks:

  • 65,39,124 × 0 =  ______.
  • ______ × 8,32,196 = 0
  • 7,325 × ______ = 5,703 × 7,325
  • 92,146 × 63,146 = 63,146 × ______.

Question 12: A farmer produced 397 quintals of rice. He sold it at the rate of `1425 per quintal. How much mone did he get?

Question 13: The weight of a bag containing wheat is 4 kg 750 g. What is the weight of 1,427 such bags? [1 kg = 1,000 g.]

Question 14: Fill in the blanks :

  • 35,294 ÷ ______ = 35,294.
  • 80,396 ÷ 80,396 = ______.
  • 0 ÷ 1,42,603 = ______.

Question 15: Find the dividend:

  • quotient = 271, remainder = 837, divisor = 1,000
  • quotient = 6,001, remainder = 59, divisor = 1,000
  • quotient = 6,934, remainder = 2, divisor = 10
  • quotient = 36,297, remainder = 12, divisor = 1,000

Question 16: If the dividend is 13,16,352 and the quotient is 256, what is the divisor?

Question 17: Simplify:

  • 40 - 25  ÷ 5 × 4 + 10
  • 14 ÷ 7 + 2 - 1 × 3
  • 60 - 90 ÷ 10 + 3 × 5

Question 18: What is the difference of the largest 6-digit number and the smallest 7-digit number?

Question 19: 2,86,938 ÷ 1,000 gives quotient = ______ and remainder = ______.

Question 20: What number should be subtracted from 61,579 so that the remainder is divisible by 100?

The solutions of the worksheet "Operations on Large Numbers"

The document Worksheet: Operations on Large Numbers is a part of the Class 5 Course Mathematics for Class 5.
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FAQs on Worksheet: Operations on Large Numbers

1. How do I add and subtract really big numbers without making mistakes?
Ans. Start by aligning numbers by their place values-ones under ones, tens under tens, and so on. Work from right to left, carrying over when a sum exceeds 9, or borrowing from the next place value when subtracting. Breaking large numbers into smaller chunks using place value helps reduce errors during operations on large numbers.
2. What's the fastest way to multiply large numbers in Class 5?
Ans. Use the standard multiplication algorithm: multiply the entire top number by each digit of the bottom number separately, then add all results. For faster mental calculation during multiplication of large numbers, break numbers into factors or use the distributive property. Regular practice with CBSE-aligned worksheets strengthens speed and accuracy.
3. Why do I keep getting different answers when dividing large numbers?
Ans. Division errors usually happen from misaligning digits or miscalculating remainders. Write out each step carefully: divide, multiply, subtract, bring down. Checking your answer by multiplying the quotient back by the divisor confirms accuracy in division operations. Remainders must be smaller than the divisor.
4. How can I check if my answer is correct after doing operations on big numbers?
Ans. Use the inverse operation: verify addition with subtraction, multiplication with division. For subtraction, add the answer back to the number subtracted; you should get the original number. Estimation before calculating also helps-round numbers to nearest tens or hundreds to predict if your final result is reasonable.
5. Which method works best for comparing very large numbers quickly?
Ans. Compare by counting digits first-the number with more digits is always larger. If digit counts match, compare from left to right, digit by digit. Understanding place value hierarchy (lakhs, ten-thousands, thousands) makes comparing large numbers faster and prevents calculation mistakes during exam practice.
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