Question

Estimate the following
429 +81
$429 + 81 chapter name number ch1$
​

Answer 1

429

see when it is not given in the question that you have to estimate in nearest ones , tense, hundred etc.

see the first digit that is 4

when you estimater you see 2 because when noting is gven in queston clearly so you have to estimate 429= 400

81=80

400 +80

=480

you have to estimate the answer 480=500 you have to estimate the answer if it is given in the question.

Answer 2

Given : 429 + 81

To find : Estimate the Sum

Solution:

429  + 81

Estimation upto  Tens Place

429  = 430

81  = 80

430 + 80  = 510

Estimation upto 100 Place

429  = 400

81 = 100

400 + 100 = 500

Even 510 estimated to 100 Place will be 500

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