Class 3 Maths - Fun With Numbers - CBSE Worksheets Solutions - 1

Q1: Choose the smallest number.
Ans: 654 is the smallest out of the above given numbers.

Q2: Choose the largest number.

Ans: 786 is the largest number out of the above given numbers.

Q3: Write each of the following as decimals:
(a) 5/100
Ans: 0.05

(b) 17/10
Ans: 1.7

(c) 87/1000
Ans: 0.087

(d) 9/100
Ans: 0.09

(e) 81/1000
Ans: 0.081

(f) 2222/100
Ans: 22.22 

Q4: Guess Who I am? 
Hints:
(a) I am a 4 digit number.
(b) The digit of my hundred place is smallest 1 digit even number.
(c) The digit at my thousand place is the greatest 1 digit odd number.
(d) The digit of my ones place is just half of my digit at hundreds place.
(e) My tens place number is 7.
Ans. 9271

Q5: Arrange in descending order:

Ans:

Q6: Fill in the blanks
(a) The number just before 2000 is 1999.
(b) The successor of the number is one greater than the number.
(c) 10 hundreds = 1 thousand.
(d) The smallest 4 digit number is1000.

Q7: Match the following :

Ans:
(1) 5/100                (d) 0.05
(2) 17/10                (a) 1.7
(3) 87/1000          (f) 0.087
(4) 9/100                (b) 0.09
(5) 81/1000          (c) 0.081
(6) 2222/100       (e) 22.22

Q8: Express each of the following as decimals and find the number of decimal places in each.
(a) 37/100
(b) 11/1000
(c) 9/100
(d) 739/10
(e) 1234/1000
(f) 495/10 
Ans:
(a) 0.37; 2
(b) 0.011; 3
(c) 0.09; 2
(d) 73.9; 1
(e) 1.234; 3
(f) 49.5; 1

Q9: Round the following numbers to the nearest ten.
(a) 844
(b) 114
(c) 885 
(d) 724
(e) 534
Ans:
(a) 840
(b) 110
(c) 890
(b) 530

Q10: Write the symbol of greater than or smaller than.

Ans:

Q11: Express each of the following as fractions in the lowest form:
(a) 18.64
(b) 0.008
(c) 165.2
(d) 0.28
(e) 3.5 
Ans:
(a) 466/25
(b) 1/125
(c) 826/5
(d) 7/25
(e) 7/2

Q12: Express each of the following as decimals:
(a) 17/5
Ans: 3.4

(b) 231/2
Ans: 115.5

(c) 1297/4
Ans: 324.25

(d) 347/50
Ans: 6.94

Q13: Express each of the following as fractions:
(a) 3.47
Ans: 347/100

(b) 17.001
Ans: 17001/1000

(c) 0.97
Ans: 97/100

(d) 2.09
Ans: 209/100