ASPECT #1: Is there a focus on a big idea to develop conceptual understanding?
Professional Learning Resource: : Here's a website that focuses on professional learning activities based on evidence-based strategies. One great section is on the importance of identifying misconceptions.
Click on the image to find the website of the "Developing a Rich Network of Mathematical Knowledge" by the Educational Endowment Foundation"
"Subitising Through the Early Years" The following article provides detailed information about the critical skill of subitising, which is a part of "Trusting the Count". There are lots of illustrations of the concept, along with activities that teachers could use.
ASPECT #2 Are we designing challenging tasks that provide opportunities for a range of responses?
ASPECT #3 How should we plan Number Talks? There is a reading and viewing for this aspect.