Anchor paper 302
Problem Solving
practitioner
Problem Solving Rationale
<p>The student's strategy of diagramming the five completed pictures and the five pictures needed to be drawn works to solve the task. The student's answer, "5," is correct.</p>
Reasoning and Proof
practitioner
Reasoning Proof Rationale
<p>The student shows correct reasoning of the underlying concepts of the task. The student diagrams the completed pictures, the pictures needed to be completed and compares the two totals to determine that five pictures need to be completed.</p>
Communication Level
practitioner
Communication Rationale
<p>The student correctly uses the mathematical terms <i>diagram</i>, <i>key</i>.</p>
Connections Level
practitioner
Connections RationaleAnchor paper 302
<p>The student makes the mathematically relevant observation, "It is the same, 5 done, 5 to do, That is what I see." </p>
Representation
practitioner
Representation Rationale
<p>The student's diagram of the five completed pictures and the five pictures needed to be drawn is appropriate to the task and accurate. The student's key and scribing defines the drawn pictures and the pictures not drawn.</p>