Anchor paper 524

Overall Achievement Level: 
practitioner
Student Number: 
1

Anchor Papers: 

Problem Solving

practitioner

Problem Solving Rationale

<p>The student's strategy of diagramming the ladybugs and crickets Ben and Jill have in their jars, finding the total number of insects per jar, and comparing the totals to see if Dad is correct, works to solve the task. The student's answer, "A: no," 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 understands that a total number of insects in each jar needs to be determined and the two totals compared to determine if Dad is correct. </p>

Communication Level

practitioner

Communication Rationale

<p>The student correctly uses the mathematical terms <i>diagram</i>, <i>key</i>, <i>more than</i>.</p>

Connections Level

practitioner

Connections RationaleAnchor paper 524

<p>The student makes the mathematically relevant observations, "Jill has one more bug than Ben," and, "14 + 15, 10 + 10 + 9 = 29 bugs in all."</p>

Representation

practitioner

Representation Rationale

<p>The student's diagram is appropriate to the task and accurate. A key defines the ladybugs, crickets, and jars. Each jar contains the correct number of each insect. </p>