Sharing Muffins
Anchor Papers:
Problem Solving
practitioner
Problem Solving Rationale
<p>The student's strategy of using a table to show nine friends with 1 1/3 muffins each for a total of 12 muffins works to solve the task. The student's answer, "12 muffins," is correct.</p>
Reasoning and Proof
practitioner
Reasoning Proof Rationale
<p>The student demonstrates correct understanding of the underlying mathematical concepts of whole, fractional parts of a whole, and addition of fractions. </p>
Communication Level
practitioner
Communication Rationale
<p>The student correctly uses the mathematical terms <i>diagram, first, second, third, fourth, fifth, sixth, seventh, eighth, ninth, equal, whole, three-thirds, total</i>. The student correctly uses the mathematical notation 1 1/3, 3/3.</p>
Connections Level
apprentice
Connections RationaleSharing Muffins
<p>The student attempts a connection by adding another friend. The total muffins for 10 friends would be 13 1/3 muffins and not 12 1/3 muffins. A connection has to be accurate to earn the Practitioner level.</p>
Representation
apprentice
Representation Rationale
<p>The student's diagram is appropriate but not accurate. It appears that "# of muffins" is the title of the table. The column labels of friends and muffins are missing.</p>