bicycle

Everyday

1. A bicycle is a vehicle with two wheels that you ride by pushing pedals with your feet. tree →
2. It is often called a bike. tree →

In the lessons

In school maths: a counted thing with 2 wheels; a ride with a distance or a speed; a price; wheel puzzles with tricycles and cars. In science: gears, brakes and friction; the bicycle is a green way to travel. In everyday life and safety: riding to school, wearing a helmet, bike lanes. Phrases: «ride a bicycle», «by bicycle», «bicycle helmet», «bicycle lane».

Examples

• A bicycle has 2 wheels. tree →
• There are 6 bicycles and 2 cars. tree →
• He rides his bicycle 5 km a day. tree →
• The bicycle costs 120 dollars. tree →
• Always wear a helmet when you ride a bicycle. tree →
• She learned to ride a bicycle without stabilisers. tree →
• The brakes on my bicycle use friction to stop the wheels. tree →
• Lots of people in the Netherlands go to work by bicycle. tree →
• Others rode on bicycles or on wooden horses. tree →

Note

Countable: «a bicycle». «Ride a bicycle», not «drive a bicycle». «Bi-» means two (bicycle 2 wheels, tricycle 3). Maths: hides «2 wheels each». Trap: in wheel puzzles with tricycles (3) and cars (4) the wheels differ.