Which unit is used to measure the object?

The height of your water bottle: . 

Convert the length $45 \mathrm{m}$ into centimetre.

Decide whether the below length is longer or shorter and use metre and centimetre accordingly.

The length of a wall.

Decide whether the below length is longer or shorter and use $\mathrm{m}$ and $\mathrm{cm}$ accordingly.

The length of a tooth brush. _____

Metre is the unit for measuring mass.

Decide whether the below length is longer or shorter and use metre and centimetre accordingly.

The length of a spoon.

Fill in the blank with the correct unit.

A wall is about $3$ _____  (metre/ gram) long.

Aeroplane is longer than the bicycle.

Decide whether the below length is longer or shorter and use metre and centimetre accordingly.

The length of your shoe lace.

Fill in the blank with $\mathrm{cm}, \mathrm{g}$ or $\mathrm{ml}$.

Decide whether the below length is longer or shorter and use metre and centimetre accordingly.

The length of a car.

Convert $5555 \mathrm{cm}$ into metre and centimetre.

Decide whether the below length is longer or shorter and use metre and centimetre accordingly.

The thickness of a book.

Decide whether the below length is longer or shorter and use metre and centimetre accordingly.

The height of a building.

Which unit will you use to measure the length of a pipe?

Decide whether the below length is longer or shorter and use metre and centimetre accordingly.

The height of your chair.

Fill in the blank with $\mathrm{km}, \mathrm{m}, \mathrm{kg}$ or $\mathrm{l}$.