Question

F. Estimate the following:

1. 232587 - 31201​

Answer 1

Given :- Estimate the following :

• 232587 - 31201

Answer :-

subtracting 31201 from 232587 we get,

→ 232587

- 31201

we get,

• 7 - 1 = 6
• 8 - 0 = 8
• 5 - 2 = 3
• 2 - 1 = 1
• 3 - 3 = 0

then ,

→ 232587 - 31201 = 201386 .

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Answer 2

Given

232587 - 31201

To find:

Estimate the following

Solution:

• Estimate means we need to round off the given digits.

Given digits are 232587 - 31201

Rounding off :

232587 round off to lakhs = 2,00,000

31201 round off to ten thousands = 30,000

Subtracting:

=> 2,00,000 - 30,000 = 1,70,000

Another method:

Rounding off to the nearest hundreds:

232587 is round off to 2,32,600

31201 is round off to 31,200

Subtracting:

2,32,600

- 31,200

___________

2,01,400

___________

In the same way, we can round off to the nearest tens, hundreds, thousands, ten thousands, etc.

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