Children will now have to know their 12 times tables by the age of nine, but it's not about rote learning, it's about revelling in the profusion of patterns, writes Rob Eastaway, maths writer and dad.
Q: How much is 230 times 10? A: The number of years humans have been calculating with decimals. A crack team of scholars in Beijing learned this last year when they solved a 23-centuries-old puzzle.
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