Estimating Sum, Difference and Product

Estimate the product $\left(976\times 396\right)$ by rounding off each number to its greatest place.

Estimate the sum by rounding off the numbers to nearest tens:

$2496+5786$

Estimate the sum by rounding off the numbers to nearest tens:

$22+587$

Estimate the fallowing results:

$968\times 539$

Estimate the fallowing results:

$39\times 311$

Estimate the fallowing results:

$6893+789$

Estimate the fallowing results:

$6398+17928$

Estimate the following by rounding off each to the nearest rupee:

$₹7.67 - ₹2.05$

Estimate the following by rounding off each to the nearest rupee:

$₹5.81 - ₹2.39$

Estimate the following by rounding off each to the nearest rupee:

$₹9.07 - ₹5.92$

Estimate the following by rounding off each to the nearest rupee:

$₹8.05 + ₹4.82$

Estimate the following by rounding off each to the nearest rupee:

$₹1.78 + ₹6.82$

Estimate the following by rounding off each to the nearest rupee:

$₹5.26 + ₹2.85$

Estimate the following by rounding off each number to its greatest place:

$87 \times 221$

Estimate the following by rounding off each number to its greatest place:

$9 \times 792$

Estimate the following by rounding off each number to its greatest place:

$877 \times 725$

Estimate the following products:

$92\times 697$

Estimate the following products:

$79\times 192$

Estimate the following products:

$28\times 67$

Estimate the difference by rounding off the numbers to the nearest hundreds :

$629-485$