4-Let’s Subtract by Breaking Down
The breaking down strategy is a key one for written calculation.
Let’s see how we work on subtraction in 1st and 2nd year primary school.
These videos are designed for you to use at home to reinforce the strategies that have already been constructed and worked on in the classroom, and, as a result, better accompany the children.
To know where we come from and where we’re going
To see how we start working on this strategy for addition, please check out video 3.
To view this strategy, please check out videos 8, 9 and 15.