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Subtracting 2 from 4

Rodd finds his microphone is faulty. He repairs it by putting in 2 new batteries from a pack of 4. Rodd challenges the children to work out how many batteries are left in the pack, without looking at it. The children can join in counting with Rodd’s special abacus, with finger counting, pretending to be robots, checking on the number track and singing a number rap about how ‘4 take away 2 leaves 2’.

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Duration:

6 minutes