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Whole Numbers CBSE Class 6

Full fledge assessment Videos

Video Based Test funda (Please watch the above videos before attempting this assessment)
Question 1/17

Q 1. If a and b are whole numbers, then a + b = b + a, since

Solution

Addition is commutative in whole numbers.

Q 2. List the odd numbers greater than or equal to 21 but less than 30.

Solution

Odd numbers greater than or equal to 21 but less than 30 = 21, 23, 25, 27, 29.

Q 3. 39 × 25 × 19 =

Solution

39 × 25 × 19

= (39 × 25) × 19 (using commutativity)

= 975 × 19

= 18525

Q 4. < is a symbol which means

Solution

< is a symbol which means less than or equal to.

Q 5. What is the quotient when 90 is divided by zero?

Solution

Division by zero is not possible.

Hence, for any number divided by zero, the answer is always not defined.

Q 6. List the whole numbers less than 5.

Solution

The whole numbers less than 5 are 0, 1, 2, 3, 4.

Q 7. 3 + 4 = 4 + 3 by which of the following laws?

Solution

The commutative law of addition can be represented as a + b = b + a.

Q 8. < is a symbol which means

Solution

< is a symbol which means less than.

Q 9. < is a symbol which means

Solution

< is a symbol which means greater than.

Q 10. Which of the following is true for whole numbers?

Solution

All the properties are true for whole numbers.

Q 11. Which of the following represents the associative law of addition?

Solution

Associative law of addition:

a + (b + c) = (a + b) + c

Q 12. Which of the following is true?

Solution

7 + 0 = 7, 7 × 7 = 49 and 0 + 7 = 7

Q 13. Which of the following represents the distributive law of multiplication over addition?

Solution

x × (y + z) = (x × y) + (x × z) is called the distributive law of multiplication over addition.

Q 14. 6 < ___ < 10

Solution

6 < 7 < 8 < 9 < 10

Q 15. 11 ³ whole numbers ³ 6 are

Solution

11 ³ whole numbers ³ 6 are 6, 7, 8, 9, 10, 11.

Q 16. The _______ law of additions says that if a, b and c are any three whole numbers, then (a + b) + c = a + (b + c).

Solution

The associative law of additions says that if a, b and c are any three whole numbers, then (a + b) + c = a + (b + c).

Q 17. 4 ___ 8

Solution

4 8, as 4 is not equal to 8.

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Whole Numbers Notes

Revision Notes

Read CBSE Class 6 Mathematics revision notes for Whole Numbers

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Whole Numbers Doubts and Solutions

Asked by chandrasiddub 2nd October 2019, 11:10 PM
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