Question

1. Estimate the sums to the nearest tens.
a) 89 + 12​

Answer 1

$\huge\bigstar\blue{Answer}$

Here we go

89 + 12

= = > 101

When estimated to nearest tens

answer is :- 100

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Answer 2

Answer: 100

Sum= 89+12= 101

Converting 101 to nearest 10 = 100

Explanation:

Just look at the ones place, if it is less than 5, then make it 0.

For ex. 234= 230

If it is more than 5, then make it 0 and add 1 to the tens place.

For ex. 236= 240

Hope it helps!!!