Evaluation for 6.2b
Materials include prompts and guidance to support educators in providing explanatory feedback based on student responses and anticipated misconceptions.
A supporting note in the lesson anticipates a specific student struggle with expressing pennies and dimes as fractions of a dollar, providing educators with a concrete redirect prompt: “If students have difficulty expressing pennies and dimes as fractions of a dollar, ask them to look at the array representation and ask: How many pennies can we put in each row?” This ties the corrective feedback directly to the visual model that students are already using, rather than redirecting them to an entirely new strategy. The
Teacher Guide further scripts explanatory feedback for a language-based error, directing educators to affirm and recast when a student says “one point five” by responding, “We say one and five tenths.” This shows educators how to acknowledge and correct inaccurate mathematical language without dismissing the student’s thinking. Both prompts are embedded in the session flow, positioning them as anticipated responses that require prepared educator feedback rather than improvised correction.
Two additional anticipated misconceptions in this session come with explicit, scripted educator responses rather than a general description of the error, equipping educators with the precise corrective language to use in real time. In the warm-up, when students struggle to locate a fraction on the number line, the
Teacher Guide directs educators to explain that “the denominator shows how many equal parts make up the unit (the space between 0 and 1), and the numerator shows how many of those parts to count.” The guide provides a worked example showing that “to place 3/4, divide the unit into 4 equal parts and count 3 of these parts starting from 0.” In activity 2, when students only propose fractions with a denominator of six, the guide instructs educators to redirect students “to find other fractions that satisfy the conditions using different denominators.”