Mathematical Problem 4: ages and birth years

Friday 9 April 2010

Mathematical Problem 4: ages and birth years

It's my wife's birthday on Wednesday. Christina will be 66. In October, our daughter, Catherine, will be 44. Now, Christina was born in 1944 and Catherine was born in 1966.

So, daughter born in '66, mother in '44. And in the year that mother turns 66, daughter turns 44!

That's neat, isn't it! "What are the chances of that happening?" Mrs Haylock asked her mathematical husband in the car yesterday.

What do you think? Is it a rare coincidence?

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About Derek Haylock

Derek is an education consultant and author. He worked for over 30 years in teacher education, both initial and in-service, and was Co-Director of Primary Initial Teacher Training and responsible for the mathematics components of the primary programmes at the University of East Anglia (UEA) Norwich. He has considerable practical experience of teaching and researching in primary classrooms. His work in mathematics education has taken him to Germany, Belgium, Lesotho, Kenya, Brunei and India. He works as a consultant for both the Training and Development Agency for Schools and the Qualifications and Curriculum Development Agency. As well as his extensive publications in the field of education, which include a number of bestselling books, he has written seven books of Christian drama for young people and a Christmas musical (published by Church House/National Society).

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Friday 9 April 2010