Estimation

A shopkeeper has $128 \mathrm{m}$ of wire. He sold $23 \mathrm{m}$ wire to customer. How much length of wire is he left with?

Aaron bought $9 \mathrm{m}$ of cloth. He used $2 \mathrm{m}$ from it. How much of cloth is left? Write the answer in _____ $\mathrm{m}$.

Maria purchased $24 \mathrm{m} 25 \mathrm{cm}$ rope and Nancy purchased $17 \mathrm{m} 15 \mathrm{cm}$ rope. What is the total length of ropes both of them purchased?

A bridge measures $500 \mathrm{m}$ long. If a bus measures $5 \mathrm{m}$ long, how many buses can stand in a line on the bridge?

Estimate the given figure of the width of an object in metre.

Is the estimation of the bottle of the width of an object which is $7 \mathrm{m}$ is correct. 

Estimate the given figure of the width of an object in metre.

Short lengths are measured in millimetre