We continue with the videos of problems with addition. In the previous video I was teaching solve...
To solve any addition problem a series of steps will have to be followed. Below I summarize what ...
In the previous videos I have explained how solve addition problems very simple with sums of one ...
We continue with the problems with sums. In the previous video I taught how to solve problems wit...
Once the sum concept and the children already know how to perform simple sums it's time to start ...