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Numbers, units and arithmetic
Numbers, units and arithmetic

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Activity 1

Can you answer the following questions:

  • (a) Write ‘twenty thousand one hundred and forty-four’ as a number.

  • (b) Say (or write) the number 31 002 103 in words.


Your answers should be

  • (a) The number is 20 144 (or it could be written 20,144).

  • (b) Thirty-one million two thousand one hundred and three.