Save guides, add subjects and pick up where you left off with your BBC account. a) We have \({+5}\) and \({-4}\). The signs are different, so the answer will be negative. So, \(+5 \times -4 = -20 ...

Sufficiently desperate, while awaiting my turn during a recent, non-emergency visit to a doctor, to scan your newspaper's small print, I came across, in the Almanac section of the weather report ...

With negative numbers, as you move away from zero ... from BBC Bitesize Play the 'Mysterious Mountains of Multiplication' and 'Times Table Trials' levels and defend the Kingdom of Mathematica ...