In our last post we talked about solving subtraction problems using the vertical method with and without regrouping. Sometimes when we need to solve subtraction problems in everyday life, like when we are shopping, we do not always have a pencil and piece of paper handy.
In the last few weeks we have been learning a variety of different strategies that we can use to solve subtraction problems in our heads.
Here are the strategies we have learnt:
Have you used these strategies before?
What strategy do you think you use the most and why?
How has learning these strategies helped you to understand subtraction?