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**Important Questions for Class 6 Maths Whole Numbers. **myCBSEguide has just released Chapter Wise Question Answers for class 6 Maths. There chapter wise Practice Questions with complete solutions are available for download in **myCBSEguide **website and mobile app. These Extra Questions with solution are prepared by our team of expert teachers who are teaching grade in CBSE schools for years. There are around 4-5 set of solved Mathematics Extra questions from each and every chapter. The students will not miss any concept in these Chapter wise question that are specially designed to tackle Exam. We have taken care of every single concept given in **CBSE Class 6 Mathematics** **syllabus** and questions are framed as per the latest marking scheme and blue print issued by CBSE for Class 6.

**CBSE Class 6 Maths Extra Questions**

## Extra Questions of Class 6 Chapter 2 Mathematics

**Ch-2 Whole Numbers**

- What is the successor of 2001?

(a) 2003 (b) 2001 (c) 2002 (d) 2000 - Which natural number has no predecessor?
- 1
- 2
- None of these
- 0

- Which is the smallest whole number?

(a) 0 (b) 2 (c) 1 (d) None of these - Study the pattern:

1 {tex}\times{/tex} 8 + 1 = 9

12 {tex}\times{/tex} 8 + 2 = 98- 120 {tex}\times{/tex} 8 + 3 = 963
- None of these
- 123 {tex}\times{/tex}8 + 3 = 987
- 1234 {tex}\times{/tex} 8 + 4 = 9876

- 460 ___ 406
- =
- None of these
- >
- <

**Match the following**Column A Column B 1. Commutative property a. (a × b) × c = a × (b × c) 2. Associative Property b. a (b + c) = ab + ac 3. Identity for multiplication c. a + b = b + a 4. Distributive Property d. a × 1 = a **Fill up the following:**- Division by _____ is not defined.
- A number remains unchanged when added to ______.
- A number remains unchanged when multiplied to ______.
- 13 × 100 × ________ = 1300000

**State true or false:**- All natural numbers are whole numbers.
- All whole numbers are natural numbers.
- The predecessor of a two digit number is never a single digit number.
- 1 is the smallest whole number.

- How many whole numbers are there between 32 and 53?
- Are all whole numbers also natural numbers?
- Complete pattern

1 1 = 1

11 11 = 121

111 111 = _______

1111 1111 = 1234321 Write the next three consecutive whole numbers of the following numbers:

- 39359
- 8632157

- A taxi driver filled his car petrol tank with 40 litres of petrol on Monday. The next day, he filled the tank with 50 litres of petrol. If the petrol costs Rs.44 per litre, how much did he spend in all on petrol?
Find the product by suitable rearrangement:

- 8 × 391 × 125
- 2 × 1234 × 50

- If you’re on a diet and have a breakfast consisting of 150 calories, a lunch consisting of 350 calories, and a dinner consisting of 1000 calories, then find the sum of the calories consumed that day.

**Ch-2 Whole Numbers**

**Answer**

- 2002

Explanation: successor of 2001 is 2002 as

- 2002
- 1

Explanation: 1 is a natural number has no predecessor as 1 -1 =0 which is not a natural number

- 1
- 0

Explanation: smallest whole number is zero as whole number is a collecion od zero and all natural numbers. and all natural numbers are gretare than zero.

- 0
- 123 {tex}\times{/tex} 8 + 3 = 987

Explanation: 1 {tex}\times{/tex} 8 + 1 = 9

12 {tex}\times{/tex} 8 + 2 = 98

123 {tex}\times{/tex}8 + 3 = 987

As the digit of the 1st number incresing gradually like 1, 12, 123 and the last digit of equation is also increasing like 1, 2, 3 so next pattern will be 123 {tex}\times{/tex}8 + 3 = 987

And the sum is also in decreasing order like 9 ,98 , 987

So the next pattern is 123 {tex}\times{/tex}8 + 3 = 987

- 123 {tex}\times{/tex} 8 + 3 = 987
- >

Explanation: 460 ____>___406 as

- >
- – c
- – a
- – d
- – b

- 0
- zero
- 1
- 1000

- True
- False, every whole number except 0 is a natural number.
- False, the predecessor of 10 is 9.
- True

- There are 20 whole numbers between 32 and 53. These are 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51 and 52.
- No, all whole numbers are not natural numbers. (0 is a whole number but not a natural number.)
- 12321
- The next three consecutive whole numbers of 39359 are: 39360, 39361, 39362
- The next three consecutive whole numbers of 8632157 are: 8632158, 8632159, 8632160

- Petrol filled on Monday = 40 litres.

Petrol filled the next day = 50 litres.

∴ Total petrol filled on the two days = 40 litres + 50 litres = 90 litres.

∴ Cost of petrol per litre = Rs.44

∴ Cost of 90 litres petrol = Rs.44 × 90 = Rs.3960. - 8 × 391 × 125 = 391× (125 × 8)

= 391 × 1000

= 391,000 - 2 × 1234 × 50 =1234 × (2 × 50)

= 1234 × 100

= 123,400

- 8 × 391 × 125 = 391× (125 × 8)
- Breakfast consisting of 150 calories.

Lunch consisting of 350 calories.

Dinner consisting of 1000 calories.

The sum of the calories consumed that day is 150 + 350 + 1000 = 1500 calories.

## Chapter Wise Extra Questions for Class 6 Mathematics

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