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Measuring a large object - blue whales
An introduction to the measurement of large objects such as a blue whale. The length of a blue whale - 30 metres - is equivalent to a class of children or three buses. Whales eat krill. Each mouthful is 40,000 litres. A blue whale is equivalent in weight to 25 elephants and weighs 170,000 kilograms.
This would be a useful clip to play when learning how to measure large amounts. It would also be useful to introduce the concept of selecting different measures to measure different things. It could be used at the start of a lesson to introduce the learning or during the plenary to reinforce and summarise the learning.
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