Question

There are 28 variety of cars available for racing.



On rounding off to the nearest tens, the number will be __

• A. 30

Answer 1

The correct option is A 30
For estimating to the nearest tens, we have to look at the digit in the ones place.

Representing 28 through a place value table, we get the following:

So, 28 rounded off to the nearest tens becomes 30.

From the number line also, we get the following:


We can see that 28 is closer to 30 as compared to 20.

Hence, rounding off 28 to the nearest tens will result to 30.