Tile Border
Problem Solving
practitioner
Problem Solving Rationale
<p>The student’s strategy to use multiplication to find the total number of tiles Mrs. Garcia needs for her border works to solve the task. The student’s answer, “3 x 63 =189 tiles,” is correct. The student uses a number line to find the total number of boxes of tiles Mrs. Garcia needs. The student’s answer, “I did 24 boxes” is correct.</p>
Reasoning and Proof
practitioner
Reasoning Proof Rationale
<p>The student demonstrates correct reasoning for the first part of the task by applying a correct multiplication equation. The student shows correct reasoning for the second part of the task by applying an add eight pattern to their number line.</p>
Communication Level
practitioner
Communication Rationale
<p>The student correctly uses the mathematical terms <i>number line, per, pattern</i>.</p>
Connections Level
practitioner
Connections RationaleTile Border
<p>The student makes the mathematically relevant observation, “She will have 3 tiles left in box 24,” and, “The pattern on my number line is add 8.”</p>
Representation
practitioner
Representation Rationale
<p>The student’s number line is appropriate and accurate. All labels are included and the jumps for boxes are correct. </p>