Choice of Examples
Based on reviewing the original data that gave rise to the codes as well as the new scenarios contributed by our research group, we have generated the following descriptors or aspects of CUE: “Strong” examples of CUE: High cognitive demand Mathematically correct Realistic context and/or numbers Address (or at least don’t add to) misconceptions Numbers are selected intentionally Match the purpose of the lesson “Weak” examples of CUE: Low cognitive demand Wrong mathematically Not realistic context and/or number Encourage misconceptions Selected randomly (number selection) Don’t serve purpose of the lesson