Question

find the sum by suitable estimation by rounding bith to the smaller one,s level
1) 3456+89
2) 2675+9087
3) 1299+345
4) 312+8655
5) 8576+766
6) 6801+428
7) 11,345+23,156
8) 74,862+51,824​

Answer 1

Answer:

All answers from 1 to 8....

3550, 11770, 1650, 8970, 9350, 7230, 126680

Step-by-step explanation:

1) 3456 turns to 3460 .........(1)

(56 is near 60 as unit digit 6 is near 10)

and 89 turns to 90 .......(2)

(same case as above, 9 is near 10 and 89 is near 90

Now from (1) &(2)

Addition= 3460 + 90 = 3550

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