Try some yourself
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.
Answer
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.