Class 5 math exercise 1.1

 1. Read the abacus and write the numbers.

2. Write the following numbers using place value chart :

(a) 3868

(b) 17605

(c) 41123

(d) 92856

(e) 20203

(f) 99728

3. Solution:

(a) Two Thousand Four Hundred Sixty Two 

(b) Eight Thousand Nine Hundred Eighty Eight 

(c) Nineteen Thousand Fifty 

(d) Thirty Three Thousand six

(e) Twenty Thousand One Hundred Ninety Eight 

(f) Fifty Nine Thousand Forty Five 

(g) Sixty Eight Thousand Three Hundred Ninety 

4. Solution:

(a) 1745

(b) 33875

(c) 77077

(d) 50505

(e) 90806

(f) 80880

(g) 100000

5. Write the successor of the following numbers:

 

Solution: In mathematics, a

 predecessor is the number that

 comes before a given number,

 while a successor is the number

 that comes after a given number.

 For example, the predecessor of 5

 is 4, and the successor of 5 is 6.

(a) 998

Solution: 998 + 1 = 999

(b) 10000

Solution: 10000 + 1 = 10001

(c) 2018

Solution: 2018 + 1 = 2019

(d) 99999

Solution: 99999 + 1 = 100000

(e) 48675

Solution: 48675 + 1 = 48676

(f) 40009

Solution: 40009 + 1 = 40010

6. Write the predecessor of the following numbers:

(a) 24855

Solution: 24855 - 1 = 24854

(b) 99999

Solution: 99999 - 1 = 99998

(c) 39999

Solution: 39999 - 1 = 39998

(d) 79890

Solution: 79890 - 1 = 79889

(e) 50000

Solution: 50000 - 1 = 49999

( f) 23456

Solution: 23456 - 1 = 23455