➡️ Which is a better estimate for the length of a finger?

44 metres

44 millimetres

44 millimetres is a better estimate. 44 metres is too long.

➡️ Which is a better estimate for the volume of a plastic shopping bag?

2 millilitres

2 litres

2 litres is a better estimate. 2 millilitres is too little.

➡️ Which is a better estimate for the weight of a duck?

1 gram

1 kilogram

1 kilogram is a better estimate. 1 gram is too light.