Maths ability on entry to school is the strongest predictor of later academic achievement, double that of literacy skills, and simply saying more number words to babies increases their maths ability. What else have scientists, psychologists and professors learned about maths for babies? Babies seem to be born with an amazing number sense: understanding shapes in the womb, being aware of quantities at seven hours old, calculating probability at six months old, and doing addition and subtraction at nine months old. The best time to introduce maths is infancy. By the time children enter school there is already a significant gap in maths skills, this gap increases over time.
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