Estimation of Large Numbers

Observe the numbers in units place: Write the estimated $10$'s value for the following number:

Ten's estimated value of $93$ is _____.

Observe the numbers in units place: Write the estimated $10$'s value for the following number:

Ten's estimated value of $78$ is _____.

Observe the numbers in units place: Write the estimated $10$'s value for the following number:

Ten's estimated value of $85$ is _____.

Observe the numbers in units place: Write the estimated $10$'s value for the following number:

Ten's estimated value of $66$ is _____.

Observe the numbers in units place: Write the estimated $10$'s value for the following number:

Ten's estimated value of $23$ is _____

Answer the following question by observing number line.

Ten's estimated value of $56$ is _____

Answer the following question by observing number line.

Ten's estimated value of $54$ is _____

Answer the following question by observing number line.

Ten's estimated value of $55$ is _____

Answer the following question by observing number line.

Ten's estimated value of $57$ is _____

Answer the following question by observing number line.

Ten's estimated value of $52$ is _____

What is the estimated number must be added to $203$ to get a number whose digits are reversed of the given number?

Round off the given number to the nearest $100$s.

$810$

Round off the given number to the nearest $100$s.

$562$

Round off the given number to the nearest $100$s.

$929$

Round off the given number to the nearest $100$s.

$374$

Round off the given number to the nearest $100$s.

$235$

Select the nearest number.

The total currency is nearer to?

Select the nearest number.

The number of pencils are nearer to?

Select the nearest number.

The number of dots are nearer to?  

Select the nearest number.

The number of blocks are nearer to?