Anchor paper 479
Anchor Papers:
Problem Solving
apprentice
Problem Solving Rationale
<p>The student has a partially correct strategy. The student totals the puzzle pieces used in the three days. The student does not find the difference between the puzzle pieces used and the original 150 puzzle pieces. The student's answer, "145 pieces of puzzle," is not correct.</p>
Reasoning and Proof
apprentice
Reasoning Proof Rationale
<p>The student uses some correct reasoning of the underlying concepts of the task. The student organizes and determines the 145 puzzle pieces used in three days. The student does not determine how many puzzle pieces are needed to finish the puzzle.</p>
Communication Level
practitioner
Communication Rationale
<p>The student correctly uses the mathematical term <i>day</i>, from the task. The student also correctly uses the mathematical terms <i>table</i>, <i>odd</i>, <i>total</i>.</p>
Connections Level
practitioner
Connections RationaleAnchor paper 479
<p>The student makes the mathematically relevant observation, "41 is only odd pieces total in a day."</p>
Representation
practitioner
Representation Rationale
<p>The student's table is appropriate to the task and accurate. All labels are included and the data is correct.</p>