Maths for Construction

What is the area of the room?

Roughly speaking, what is the area of the wall including the door?

A box of tiles will cover 1.2 m². Roughly speaking, what area would you be able to tile if you had 6 boxes?

A pallet of roof tiles covers 40 m². How many pallets would you need for a roof area of 100 m²?

An electric drill normally costs £40. In a sale it is reduced in price by 20%. How much does it cost in the sale?

A foreman works out the cost of a job. The calculator shows the final amount as 1245.7574. What is that amount to the nearest penny?

A job requires 35 m of guttering. How many whole lengths will you need to order to have enough for the job?

Two bricklayers work for 5 weeks on a contract worth £7,000. What would each bricklayer earn per week?

A man earns £8.50 per hour. How much does he earn if he works 5 hours?

A general purpose concrete mix is made from cement, sand and aggregate in the ratio of 1:2:4. If you use 8 shovels of sand, how much cement and aggregate would you need?

A roll of roof felt covers 5 m². How many rolls would you need for 120 m²?

A litre of paint for exterior walls covers 6 sq.m. How many litres would you need for an area of 30 sq.m?

What is the length shown?

If a load of concrete was mixed at 7.15 am. What is the final setting time?