Maths series for five-to seven-year-olds. Demonstrates what happens if you add a number to another and then subtract it. Show more
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Maths series for five-to seven-year-olds. Demonstrates what happens if you add a number to another and then subtract it. Show more
BBC Two is a lively channel of depth and substance, carrying a range of knowledge-building programming complemented by great drama, comedy and arts.
