Place value and operations on large numbers Quiz - ICSE Class 6 Mathematics

Free practice quiz: Place value and operations on large numbers (ICSE Class 6 Mathematics). 39 multiple-choice questions with answers and explanations. Play online, no sign-up needed.

Sample questions

1. What is the value of 9 in the number 7,89,45,612?

   1. Nine thousand
   2. Ninety thousand
   3. Nine lakh
   4. Nine million
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   Answer: C. Nine lakh

   The number is 7,89,45,612. The digit 9 is in the lakhs place. Therefore, its value is 9 * 1,00,000 = 9,00,000 or Nine lakh.

2. If you expand the number 7,08,30,529 in terms of place values, which term represents the digit 8?

   1. 70,000,000
   2. 8,000,000
   3. 800,000
   4. 80,000
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   Answer: B. 8,000,000

   The number is 7,08,30,529. Let's identify the place value of each digit: 7 is in the crores place (70,000,000). 0 is in the ten lakhs place (0). 8 is in the lakhs place (8,00,000). 3 is in the ten thousands place (30,000). 0 is in the thousands place (0). 5 is in the hundreds place (500). 2 is in the tens place (20). 9 is in the ones place (9). The digit 8 is in the lakhs place, so its place value representation is 8,00,000, which is 8 million.

3. A factory produced 8,500 toys in the first month and 5,750 toys in the second month. How many toys were produced in total over the two months?

   1. 14,250
   2. 14,350
   3. 13,250
   4. 13,350
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   Answer: A. 14,250

   To find the total number of toys, add the production from both months: 8,500 + 5,750 = 14,250.

4. A company produced 12,500 units in January and 15,750 units in February. How many more units were produced in February than in January?

   1. 2,250
   2. 3,050
   3. 3,250
   4. 2,750
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   Answer: C. 3,250

   To find how many more units were produced in February, subtract the January production from the February production: 15,750 - 12,500 = 3,250.

5. What is the sum of the smallest 6-digit number and the largest 3-digit number?

   1. 100,999
   2. 101,000
   3. 100,000
   4. 100,099
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   Answer: A. 100,999

   The smallest 6-digit number is 1,00,000. The largest 3-digit number is 999. Their sum is 1,00,000 + 999 = 1,00,999.

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• Consolidating numbers up to 8 digits
• Decimals and Fractions
• Exponents, Square & Cube Roots
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