Grade 6 Math Unit 2 Whole Numbers (25 Marks)

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| By Dhanisha1980
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Dhanisha1980
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Quizzes Created: 8 | Total Attempts: 29,341
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  • 1/25 Questions

    The smallest natural number is ______________________. 

    • 1
    • 0
    • 9
    • 100
Please wait...
About This Quiz

This Grade 6 math quiz assesses understanding of whole numbers through multiplication, division, and properties of numbers. It tests skills in basic arithmetic operations and concepts, essential for foundational math learning.

Grade 6 Math Unit 2 Whole Numbers (25 Marks) - Quiz

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  • 2. 

     The whole number which is not a natural number is _________________

    • 2

    • 1

    • 0

    • 2

    Correct Answer
    A. 0
    Explanation
    The whole number 0 is not considered a natural number because natural numbers start from 1 and do not include 0. Natural numbers are the set of positive integers, while whole numbers include 0 as well. Therefore, 0 is the correct answer as it is the only whole number that is not a natural number.

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  • 3. 

     Predecessor of 2, 90, 099 is ____________

    • 2,90,098

    • 2,90,000

    • 2,90,100

    • 2,99,999

    Correct Answer
    A. 2,90,098
    Explanation
    The predecessor of a number is the number that comes before it. In this case, the predecessor of 2,90,099 would be 2,90,098 because it is the number that comes before it.

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  • 4. 

    The sum of 3 odd numbers is ____________________. 

    • 8

    • 9

    • 6

    • 10

    Correct Answer
    A. 9
    Explanation
    The sum of any three odd numbers will always be an odd number. Therefore, the correct answer is 9, which is an odd number.

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  • 5. 

    How many numbers between 102 and 211. 

    • 110

    • 108

    • 100

    • 200

    Correct Answer
    A. 108
    Explanation
    To find how many numbers are between 102 and 211, we need to count the numbers starting from 103 up to 210.
    Identify the range: The numbers in question start from 103 and go up to 210.
    Subtract 103 from 210, then add 1 to include both endpoints in the count.
    So, the number of integers is: 210 - 103 + 1 = 108.
    There are 108 numbers between 102 and 211.

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  • 6. 

    10 Lakh means

    • 10 million

    • 1 Million

    • 100 million

    • 1000 million

    Correct Answer
    A. 1 Million
    Explanation
    The term "10 Lakh" refers to a numerical value of 1 million.

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  • 7. 

    25  x 8  x 125  x 4 = _____________________   

    • 100

    • 1000

    • 1,00,000

    • 10,000

    Correct Answer
    A. 1,00,000
    Explanation
    The given expression represents the product of four numbers: 25, 8, 125, and 4. When these numbers are multiplied together, the result is 1,00,000.

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  • 8. 

    Estimate using general rule :  830 + 976 

    • 1800

    • 1900

    • 1700

    • 2000

    Correct Answer
    A. 1800
    Explanation
    The correct answer is 1800 because when estimating the sum of 830 and 976 using a general rule, we round both numbers to the nearest hundred and then add them together. 830 rounds to 800 and 976 rounds to 1000. Adding these rounded numbers gives us 1800.

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  • 9. 

    Write the Roman Numeral for  76  

    • LXXIV

    • LXXVI

    • LXVI

    • CDC

    Correct Answer
    A. LXXVI
    Explanation
    The Roman numeral for 76 is LXXVI. In Roman numerals, L represents 50, X represents 10, and V represents 5. When these symbols are combined, LXX represents 70, and adding VI (6) to it gives us 76. Therefore, LXXVI is the correct Roman numeral representation for 76.

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  • 10. 

    100 thousand is known as in Indian system

    • 1 million

    • 1 lakh

    • 10 lakh

    • None of these

    Correct Answer
    A. 1 lakh
    Explanation
    In the Indian system, 100 thousand is known as "1 lakh." This term is commonly used in India to represent the number 100,000.

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  • 11. 

    CXXV write in Hindu-Arabic numeral is

    • 1025

    • 125

    • 135

    • 105

    Correct Answer
    A. 125
    Explanation
    The Hindu-Arabic numeral system is the most widely used numeral system today, and it uses ten digits (0-9) to represent numbers. In this system, C represents 100 and XXV represents 25. Therefore, when we combine these two numbers, we get 125, which is the Hindu-Arabic numeral representation of CXXV.

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  • 12. 

    ________________________ is the additive identity for the whole numbers 

    • 1

    • 0

    • 100

    • 10

    Correct Answer
    A. 0
    Explanation
    The additive identity for the whole numbers is the number that, when added to any other whole number, does not change its value. In this case, the correct answer is 0 because adding 0 to any whole number will result in the same whole number.

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  • 13. 

    The town newspaper is published every day. One copy has 15 pages. Everyday 12, 500 copies are printed. How man total pages are printed every day? 

    • 1,80,000

    • 1,87,500

    • 2,00,000

    • 1,87,000

    Correct Answer
    A. 1,87,500
    Explanation
    Every day, 12,500 copies of the newspaper are printed, and each copy has 15 pages. To find the total number of pages printed every day, we can multiply the number of copies by the number of pages per copy: 12,500 * 15 = 187,500. Therefore, the correct answer is 1,87,500.

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  • 14. 

     6 x ( 7 + 3 ) = ( 6 x 7 ) + ( 6 x 3 ). This statement shows that multiplication of whole numbers is _____________ over addition.

    • Addition

    • Subtraction

    • Multiplication

    • Division

    Correct Answer
    A. Multiplication
    Explanation
    The given statement demonstrates the distributive property of multiplication over addition. This property states that when multiplying a number by the sum of two other numbers, the result is equal to the sum of the products of the number multiplied by each of the other numbers individually. In this case, multiplying 6 by the sum of 7 and 3 is equal to multiplying 6 by 7 and adding it to the product of 6 and 3. Therefore, multiplication is distributive over addition.

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  • 15. 

     ___________ is the multiplicative identity of whole numbers.

    • 0

    • 1

    • 100

    • 1000

    Correct Answer
    A. 1
    Explanation
    The multiplicative identity of any set of numbers is the number that, when multiplied by any other number in the set, gives the same number as the result. In the case of whole numbers, the multiplicative identity is 1. This means that when any whole number is multiplied by 1, the result is the original number.

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  • 16. 

     The natural number whose predecessor does not exist is ______________

    • 0

    • 2

    • 1

    • 10

    Correct Answer
    A. 1
    Explanation
    The predecessor of a natural number is the number that comes before it. In the case of 1, there is no number that comes before it, so it does not have a predecessor. Therefore, the natural number whose predecessor does not exist is 1.

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  • 17. 

    Write the Roman Numeral for  99  

    • IC

    • C

    • XC

    • XCIX

    Correct Answer
    A. XCIX
    Explanation
    The Roman numeral for 99 is XCIX. In Roman numerals, X represents 10, C represents 100, and I represents 1. The numeral XC represents 90, which is obtained by subtracting 10 (X) from 100 (C). The numeral IX represents 9, which is obtained by subtracting 1 (I) from 10 (X). Therefore, when XC and IX are combined, we get XCIX, which represents the number 99 in Roman numerals.

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  • 18. 

    Estimate using general rule  13,804 + 3,777

    • 17000

    • 18000

    • 19000

    • 20000

    Correct Answer
    A. 18000
    Explanation
    The estimated sum of 13,804 and 3,777 is 18,000. This estimation is based on the general rule of rounding numbers to the nearest ten thousand. Since the thousands place in both numbers is less than 5, we round down to the nearest ten thousand, which gives us an estimated sum of 18,000.

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  • 19. 

    315 x  105 = 315  x 100 + __ ?___5 

    • 301

    • 300

    • 310

    • 315

    Correct Answer
    A. 315
  • 20. 

    Apples are packed in boxes, each weighing 5kg 500gm. How many such boxes can be loaded in a van which cannot carry beyond 1000kg? 

    • 200 BOXES

    • 181 BOXES

    • 100 BOXES

    • 1000 BOXES

    Correct Answer
    A. 181 BOXES
    Explanation
    The van cannot carry beyond 1000kg. Each box weighs 5kg 500gm, which is equivalent to 5.5kg. To find out how many boxes can be loaded, we divide the maximum weight the van can carry (1000kg) by the weight of each box (5.5kg). The calculation is 1000 / 5.5 = 181.81. Since we cannot have a fraction of a box, the maximum number of boxes that can be loaded is 181. Therefore, the correct answer is 181 BOXES.

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  • 21. 

    Estimates : 8325 - 491

    • 1000

    • 7000

    • 7500

    • 8000

    Correct Answer
    A. 7500
    Explanation
    The correct answer is 7500 because when you subtract 491 from 8325, you get 7834. Among the given options, 7500 is the closest number to 7834.

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  • 22. 

    The difference between the place value and face value of 2 in 45321 is

    • 20

    • 21

    • 19

    • 18

    Correct Answer
    A. 18
    Explanation
    The place value of a digit refers to the position it holds in a number, while the face value refers to the actual value of the digit. In the number 45321, the digit 2 is in the ten-thousands place, which has a place value of 20, and its face value is 2. The difference between the place value and face value of 2 is therefore 20 - 2 = 18.

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  • 23. 

    Give an estimated value of the product using general rule by rounding the numbers to the nearest hundred: 758  x 151 

    • 16000

    • 1,60,000

    • 70,000

    • 1,14,458

    Correct Answer
    A. 1,60,000
    Explanation
    To estimate the product of 758 and 151 by rounding to the nearest hundred, you can round each number to the nearest hundred and then multiply:
    Round 758 to the nearest hundred: 758 is closer to 800 when rounded to the nearest hundred.
    Round 151 to the nearest hundred: 151 is closer to 200 when rounded to the nearest hundred.
    Now, multiply the rounded numbers:
    800 x 200 = 160,000
    So, the estimated product of 758 and 151 when rounded to the nearest hundred is approximately 160,000.

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  • 24. 

    Division by zero is  ?

    • 0

    • An odd number

    • The number itself

    • An even number

    Correct Answer
    A. The number itself
    Explanation
    Division by zero is undefined in mathematics. It does not result in any specific value or number. It is not possible to divide any number by zero, and therefore the result is not a number itself.

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  • 25. 

    The product of two numbers is 43,190.  if one number is 1,234, find the other number

    • 30

    • 40

    • 35

    • 1234

    Correct Answer
    A. 35
    Explanation
    If the product of two numbers is 43,190 and one of the numbers is 1,234, we can find the other number by dividing the product by the given number. Therefore, 43,190 divided by 1,234 equals 35. Hence, the other number is 35.

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  • Current Version
  • Jan 21, 2025
    Quiz Edited by
    ProProfs Editorial Team
  • Apr 27, 2020
    Quiz Created by
    Dhanisha1980

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