Trade, transport and computers

Write one kind of goods and one kind of labour that people trade.

In a game, Siwa swaps 2 jars of olive oil for 8 bags of rice. How many bags is one jar worth?

You and two friends go to a market 5 kilometres away. Choose a way to travel and give an advantage and a disadvantage.

Draw a transport system diagram for a bus that takes children to school. Fill in the five parts.

Name one input device and one output device.