Standard & Compound Units Practice Questions

Change $4.6$ m into centimetres.

Change $2750$ m into kilometres.

Change $85$ mm into centimetres.

Change $0.75$ kg into grams.

Change $6400$ kg into tonnes.

Change $1.8$ litres into millilitres.

Change $2500$ cm$^3$ into litres.

Write $8{:}40$ pm using the 24-hour clock.

Change $3$ hours $15$ minutes into minutes.

A train leaves a station at $14{:}25$. The journey takes $50$ minutes.

Write down the time the train arrives at the end of the journey.

Work out the average speed of the coach in km/h.

The coach then travels for $2$ hours $30$ minutes at this same average speed.

Work out the distance the coach travels in this time.

How many minutes does Bus B take to travel from Hartwell to Crompton?

Priya arrives at the bus stop in Beeston at $09{:}55$.

How long does she have to wait for the next bus to Crompton?

Amir must be in Crompton by $11{:}00$.

It takes Amir $12$ minutes to walk from his home to the bus stop in Hartwell.

Work out the latest time Amir can leave home.

One week Maria worked for $37$ hours.

Work out Maria's total pay for this week.

In a different week Maria was paid a total of £$352.80$.

Work out the number of hours Maria worked in this week.

A solid brass ornament has a volume of $250$ cm$^3$.

Work out the mass of the ornament. Give your answer in kilograms.

A solid brass door handle has a mass of $1.26$ kg.

Work out the volume of the door handle.

Work out the pressure of the crate on the floor. Give your answer in N/m$^2$.

A different crate exerts a pressure of $1250$ N/m$^2$ on the floor.

The area of the base of this crate is $0.24$ m$^2$.

Work out the force this crate exerts on the floor.

A dolphin swims at a speed of $12$ m/s.

Work out this speed in km/h.

On a motorway in France the speed limit is $96$ km/h.

Use the fact that $8$ km $= 5$ miles to work out this speed limit in miles per hour.

Change $4$ m$^2$ into cm$^2$.

Change $750$ mm$^2$ into cm$^2$.

Change $2.5$ m$^3$ into cm$^3$.

Change $45\,000$ cm$^3$ into m$^3$.

Work out the time Ravi arrives at the warehouse.

Ravi's van travels $13$ km on each litre of diesel.

Diesel costs £$1.42$ per litre.

Work out the cost of the diesel Ravi uses to drive the $273$ km.

Is Emma right?

You must show all your working.

Work out the density of the alloy.

Give your answer correct to $2$ decimal places.

The block is placed on the ground so that the $60$ cm by $40$ cm face is in contact with the ground.

Work out the pressure of the block on the ground. Give your answer in N/m$^2$.

The block is now turned so that the $40$ cm by $30$ cm face is in contact with the ground.

Work out the pressure of the block on the ground now.

Work out Kirsty's average speed, in km/h, for the whole journey from her home to her friend's house, including the rest.

Give your answer correct to $1$ decimal place.