Help children develop the notion of number differences (how many more/fewer).
There are two parts to this math resource.
First, there is a short video clip for you to use to introduce the topic. Children will see real world situations which are central to the key math ideas and concepts of this topic.
The second part is a two page activity guide which provides you with questions to ask, things to think about, experiences to build on, organizational points, assessment observations, materials needed, things to do, activities and ideas for classes.