CBSE Class 6 Maths Whole Numbers Worksheet Set A

Whole Number

Question. We know that 0 + 0 = 0. ls there some other whole number p such that p + p = p
Answer. No, zero is the only number

Question. Ali cycle for 16 days, riding 20 km each day. Sam cycles 20 days, riding 16 km each day. Who cycles a further distance ?
Answer. Both travels equal distance (320 km)

Question. Tripti sold 5 books of raffle tickets. Hari sold 10 books of raffle tickets. If the books sold by Tripti had 10 tickets each, and those sold by Hari had 5 tickets each, who sold more tickets?
Answer. Both sold equal number of tickets. (50 tickets)

Question.  Solve using distributive property
(i) 12 × 197 (ii) 37 × 102
Answer. 
(i) 2364
(ii) 3774

Question. Fill in the blanks
(i) If any two whole number are added, we always get a ________ number.
(ii) If any two whole number a and b are added, a to b or b to a, the ________ is always _______.
This property is called ________ property of addition of whole number.
(iii) 7 × (32 × 56) = (7 × 32) × _______ .
(iv) ________ is the additive identity for whole number.
Answer. 
(i) Whole Number
(ii) sum, same, commutative property
(iii) 7 × (32 × 56) = (7 × 32) × 56
(iv) 0 (zero)

Question. The population of a village is 10725. 1 out of every 15 persons is uneducated. How many educated persons live in the village?
Answer. 10010

Question. Sheela brought a Hindi novel from the library which had 378 pages. She read 152 pages on the first two days. If she read 79 pages on the third day, how many pages remain unread?
Answer. 147

Question. What number should replace each n ?
(i) 3 (n + 6) = (3 × 5) + (3 × 6)
(ii) (7 × 4) + (n × 3) = 7 (4 + 3)
(iii) (9 × 8) + (8 × 8) = (9 + 8) n
Answer.  (i) n = 5 (ii) n = 7 (iii) n = 8

Question. Find each of the following products by using properties of multiplication :
(i) 972 × 8 + 972 × 2
(ii) 46 × 982 + 27 × 982 – 58 × 982 – 15 × 982
(iii) 957 × 10 × 583 – 483 × 9570
Answer.  (i) 9720 (ii) 0 (iii) 957000

Question. Ashok buys 20 notebook and 20 pens. The cost of each notebook is Rs.45 and that of each pen is Rs.13. Find the amount of money he spent?
Answer.  Rs. 1160 12.

Question. Find the value of each of the following :
(i) (3278 ÷ 3278) – (5098 ÷ 5098)
(ii) 0 ÷ 975
(iii) 701 – (1869 ÷1869)
Answer.  (i) 0 (ii) 0 (iii) 700

Question. State whether the following statements are true or false
(i) Zero is the smallest whole number
(ii) Every whole number is greater than zero
(iii) 64 – 36 = 36 – 64
(iv) 75 + 0 = 75
(v) 1 is the additive identity for Whole number
Answer. 
(i) True
(ii) False
(iii) False
(iv) True
(v) False

Question. Find the sum of the four numbers given below :
Successor of 32, predecessor of 49 predecessor of the predecessor of 56 and successor of the successor of 67
Answer. 204 

Question. How many whole numbers are there between 3 and 23 ?
Answer. 19 

Question. How many whole numbers, each less than 47, are there in Hindu-Arabic system of numeration ?
Answer. 47

Question. The digits 6 and 9 of the number 36490 are interchanged. Find the difference between the original number and the new number.
Answer. 2970

Question. Using most convenient combinations, find the sum 1802 + 2652 + 3376 + 1024 + 2348 + 98.
Answer. 11300 

Question. There are 222 red balls in a basket. A boy takes out 6 red ball from it and replace them by 12 white balls.
He continues to do so till all red balls are replaced by white balls. Determine the number of white balls put in the basket.
 Answer. 444

Question. The first February of a leap year falls on a FRIDAY. On what day of the week would the first April of the year fall?
 Answer. Tuesday

Question. In each of the following fill in the blanks, so that the statement is true :
(a) (500 + 7) × (300 – 1) = 299 × ________
(b) 888 + 777 + 555 = 111 × _________
(c) 75 × 425 = (70 + 5) × (25 + _______)
(d) 89 × (100 – 2) = 98 × (100 – ________)
(e) 9 × (10000 + ________) = 98766
 Answer. 
(a) 507
(b) 20 (c) 400
(d) 11
(e) 974

Question. Which of the following statement are true and which are false ?
(a) On a number line, every whole number represents exactly one point and every point is represented by exactly one whole number.
(b) Every whole number is the successor of another whole number.
(c) The largest 4–digit number formed by the digits 6, 7, 0, 9 using each digit only once is 9706.
(d) The sum of two whole number is always greater than or equal to their difference.
(e) If a and b are two whole numbers such that a – b = b – a, then a = b.
 Answer.
 (a) False
(b) False
(c) False
(d) True
(e) True

Click below to download practice worksheet for CBSE Class 6 Maths Whole Numbers Worksheet Set A