Anchor paper 478
Anchor Papers:
Problem Solving
novice
Problem Solving Rationale
<p>It appears that the student is adding all the numbers located in the task for a total of 285. This strategy does not solve the task. The student's answer, "285 pieces," is not correct.</p>
Reasoning and Proof
novice
Reasoning Proof Rationale
<p>The student does not demonstrate correct reasoning. The student does not understand that the placed puzzle pieces need to be totaled and subtracted from 150 pieces to determine how many pieces are needed to finish the puzzle.</p>
Communication Level
novice
Communication Rationale
<p>The student does not use any mathematical language to communicate their reasoning and proof. Verbs, such as "add," are not included in considering communication as they are considered an action the student takes in their solution.</p>
Connections Level
novice
Connections RationaleAnchor paper 478
<p>The student does not make a mathematically relevant observation about their solution.</p>
Representation
novice
Representation Rationale
<p>The student does not attempt a mathematical representation to solve or portray their solution.</p>