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Monthly Archives: February 2010
Groupings, Shopping Lists, Vectors: part 22
In the last few posts in this series I’ve examined some consequences of British values, where we have pounds and shillings (and also pence) – but then have this other value, the guinea, which equals one pound and one shilling. … Continue reading
Posted in Uncategorized
Tagged denominations, extending patterns, matrix multiplication, models, naming, representations, whole vs. parts
2 Comments
Groupings, Shopping Lists, Vectors: part 21
In the previous post in this series, part 20, I showed a matrix multiplication to convert a value stated in guineas and shillings into one stated in pounds and shillings. We were interested in the same value, expressed in different … Continue reading
Posted in Uncategorized
Tagged denominations, extending patterns, matrix multiplication, representations, whole vs. parts
2 Comments
Groupings, Shopping Lists, Vectors: part 20
In England, the main currency is called the pound. Smaller units are called shillings and pence. A pound is 20 shillings, a shilling is 5 pence, hence a pound is 100 pence. This system has been in place since 1971; … Continue reading
Posted in Uncategorized
Tagged denominations, extending patterns, matrix multiplication, models, naming, representations, whole vs. parts
3 Comments
Learning and Unlearning Math 