大象传媒

How to solve a real life problem using subtraction; declaring items at customs when returning from holiday. In this animation the puppets have 23 chilli peppers but are only allowed to take 15. They need help to work out 23 - 15 so someone else can take the extra peppers. El Nombre arrives and helps them do the calculation. The 23 peppers are laid out in 4 lots of 5 and a 3. The answer is worked out by taking away the 3 and knowledge of the 5 times table is applied to take the number down from 20 to 15.