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Test: Rounding off Numbers - Class 5 MCQ


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10 Questions MCQ Test Mathematics for Class 5 - Test: Rounding off Numbers

Test: Rounding off Numbers for Class 5 2024 is part of Mathematics for Class 5 preparation. The Test: Rounding off Numbers questions and answers have been prepared according to the Class 5 exam syllabus.The Test: Rounding off Numbers MCQs are made for Class 5 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Rounding off Numbers below.
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Test: Rounding off Numbers - Question 1

1234 rounded off to the nearest ten is

Detailed Solution for Test: Rounding off Numbers - Question 1

Let’s round 1234 to the nearest ten step-by-step:

  1. Identify the Tens Place:
    In 1234, the digit in the tens place is 3.

  2. Look at the Next Digit (Ones Place):
    The digit in the ones place is 4.

  3. Apply the Rounding Rule:
    Since the ones digit (4) is less than 5, we round down.

  4. Keep the Tens Digit the Same:
    The 3 stays the same, and the ones place becomes 0
    1234 rounded to the nearest ten is 1230.


     

 

 

Test: Rounding off Numbers - Question 2

789,221 rounded off to the nearest ten thousand is

Detailed Solution for Test: Rounding off Numbers - Question 2

Let's round 789,221 to the nearest ten thousand step-by-step:

  1. Identify the Ten Thousand Place:
    In 789,221, the digit in the ten thousand place is 8.

  2. Look at the Next Digit (Thousand Place):
    The digit in the thousand place is 9.

  3. Apply the Rounding Rule:
    Since the thousand place digit (9) is 5 or more, we round up.

  4. Increase the Ten Thousand Digit by 1:
    8 becomes 9, and all digits to the right become 0.

  5. Final Answer:
    789,221 rounded to the nearest ten thousand is 790,000.


     

 

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Test: Rounding off Numbers - Question 3

26 rounded off to the nearest ten is

Detailed Solution for Test: Rounding off Numbers - Question 3

Let's round 26 to the nearest ten step-by-step:

  1. Identify the Tens Place:
    In 26, the digit in the tens place is 2.

  2. Look at the Next Digit (Ones Place):
    The digit in the ones place is 6.

  3. Apply the Rounding Rule:
    Since the ones digit (6) is 5 or more, we round up.

  4. Increase the Tens Digit by 1:
    2 becomes 3, and the ones place becomes 0.

  5. Final Answer:
    26 rounded to the nearest ten is 30.

 

Test: Rounding off Numbers - Question 4

52967 rounded off to the nearest hundred is

Detailed Solution for Test: Rounding off Numbers - Question 4

Explanation

Let's round 52,967 to the nearest hundred step-by-step:

  • Identify the Hundreds Place:
    In 52,967, the digit in the hundreds place is 9.

  • Look at the Next Digit (Tens Place):
    The digit in the tens place is 6.

  • Apply the Rounding Rule:
    Since the tens digit (6) is 5 or more, we round up.

  • Increase the Hundreds Digit by 1:
    9 becomes 10, which carries over, making the number 53,000.

  • Final Answer:
    52,967 rounded to the nearest hundred is 53,000.

 

Test: Rounding off Numbers - Question 5

15768 rounded off to the nearest thousand is

Detailed Solution for Test: Rounding off Numbers - Question 5
  1. Identify the digit in the thousands place:
    15768 → The digit in the thousands place is 5.

  2. Look at the digit in the hundreds place (the next smaller place value):
    15768 → The digit in the hundreds place is 6.

  3. Apply the rounding rule:

    Since the hundreds digit is 6, we increase the thousands digit by 1
    If the hundreds digit is 5 or more, increase the thousands digit by 1.
    If it is 4 or less, keep the thousands digit the same.

  4. Replace all digits after the thousands place with zeros:
    15768 becomes 16000.

So, 15768 rounded to the nearest thousand is 16000.

 

Test: Rounding off Numbers - Question 6

245 rounded off to the nearest ten is

Detailed Solution for Test: Rounding off Numbers - Question 6

Calculation:

  • Identify the Tens Place:
    In 245, the digit in the tens place is 4.

  • Look at the Next Digit (Ones Place):
    The digit in the ones place is 5.

  • Apply the Rounding Rule:
    Since the ones place digit (5) is 5 or more, we round up.

  • Increase the Tens Digit by 1:
    4 becomes 5, and the ones place becomes 0.

  • Final Answer:
    245 rounded to the nearest ten is 250.

 

Test: Rounding off Numbers - Question 7

738 rounded off to the nearest hundred is

Detailed Solution for Test: Rounding off Numbers - Question 7

To round 738 to the nearest hundred:

  1. Identify the digit in the hundreds place:
    738 → The digit in the hundreds place is 7.

  2. Look at the digit in the tens place (the next smaller place value):
    738 → The digit in the tens place is 3.

  3. Apply the rounding rule:

    Since the tens digit is 3, we keep the hundreds digit the same.
    If the tens digit is 5 or more, increase the hundreds digit by 1.
    If it is 4 or less, keep the hundreds digit the same.

  4. Replace all digits after the hundreds place with zeros:
    738 becomes 700.


     

 

Test: Rounding off Numbers - Question 8

29351 rounded off to the nearest ten thousand is

Detailed Solution for Test: Rounding off Numbers - Question 8
  • Identify the digit in the ten-thousands place:
    29351 → The digit in the ten-thousands place is 2.

  • Look at the digit in the thousands place (the next smaller place value):
    29351 → The digit in the thousands place is 9.

  • Apply the rounding rule:

    • If the thousands digit is 5 or more, increase the ten-thousands digit by 1.
    • If it is 4 or less, keep the ten-thousands digit the same.

    Since the thousands digit is 9, we increase the ten-thousands digit by 1.

  • Replace all digits after the ten-thousands place with zeros:
    29351 becomes 30000.


     

 

Test: Rounding off Numbers - Question 9

2749817 rounded off to the nearest ten thousand

Detailed Solution for Test: Rounding off Numbers - Question 9

To round 2,749,817 to the nearest ten thousand:

  • Identify the ten thousand's place: 4 (since 2,749,817 is between 2,740,000 and 2,750,000).
  • Look at the digit to the right (thousands place): 9.
  • If this digit is 5 or more, round up. Since 9 is greater than 5, round up.
  • Increase 4 to 5, making the number 2,750,000.

Thus, the correct option is C: 2,750,000.

 

Test: Rounding off Numbers - Question 10

629636 rounded off to the nearest lakh is

Detailed Solution for Test: Rounding off Numbers - Question 10

To round 629,636 to the nearest lakh:

  1. Identify the digit in the lakhs place:

    • In 629,636, the digit in the lakhs place is 6 (from 629,636).
  2. Look at the digit in the ten-thousands place:

    • The digit in the ten-thousands place is 2 (from 629,636).
  3. Apply the rounding rule:

    • If the ten-thousands digit is 5 or more, increase the lakhs digit by 1.
    • If it is 4 or less, keep the lakhs digit the same.

    Since the ten-thousands digit is 2, which is less than 5, we keep the lakhs digit the same.

  4. Replace all digits after the lakhs place with zeros:

    • The result is 600,000.

 


     
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