Posts

Saving up

Amir is saving for a bike that costs £84. He has already saved £36, and plans to save £6 each week from his pocket money. How many more weeks will it take him to save enough to buy the bike?

Average speed

 A cyclist travels 15 km in 45 minutes. What is her average speed in km/h?

Distance on a map

A map has a scale of 1:50,000. If two towns are 8 cm apart on the map, what is the real distance in kilometres?

Percentage problems

In a class of 30 students, 40% are boys. How many girls are there?

What's the car's price?

A car depreciates by 10% each year. If it is worth £18,000 now, what will it be worth after 2 years?

Difficult number puzzle

A number is 3 more than twice another number. Their sum is 39. What are the two numbers?

Ratios

A model car is built to a scale of 1:20. If the real car is 4 metres long, how long is the model in centimetres?