Understanding Large Numbers

Predecessor and Successor, Formation and application of large Numbers Formation of numbers from digits.

Learner's Guide

Objectives:

  • Addition, subtraction, multiplication, and division for a banker
  • Predecessor and Successor
  • Formation of Big Number
  • Formation of numbers from digit
  • Use of Large Numbers in Daily Life Situations

 

 

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Predecessor and Successor

 

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What is the predecessor of 19078?

  1. 19077
  2. 19078
  3. 19079
  4. 20077
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Answer:

19077

 

Predecessor = Number - 1

 = 19078 - 1 = 19077

 

What is the biggest 2 digit number?

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Answer:

99

 

What is the smallest 3 digit number?

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Answer:

100

 

Successor of number 99 is __________________

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Answer:

99+1 = 100

 

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Formation of Big Number and their usage

 

How many thousands are there in 1 lakh?

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Answer:

   Lakh ten thousand thousand hundred ten one
 1 lakh 1 0 0 0 0 0
 1 thousand     1 0 0 0

 

 

1 lakh = 100000

1 thousand = 1000

1 lakh / 1 thousand = 100000/1000 = 100

1 lakh = 100 x 1 thousand

 

 

Formation of numbers from given digits:

 

How many digits are there in number: 2398

  1. 1
  2. 2
  3. 3
  4. 5
  5. 4
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Answer:

4

 

2 3 9 8

 

Make different 2 digit numbers using digits: 2 and 9

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Answer:

 Ten  One  Number
 2  9  29
 9  2  92
If repetition of numbers is allowed
2 2 22
9 9 99

 

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Tip: Think before answering.