Overview

In this performance assessment, students will use their understanding of fractions to compare different fudge recipes. Students will answer fudge recipe questions based on their preferences of ingredients and then will be asked to create their own recipe that has more or less of an ingredient of their choice. Final student work should be saved as an Acrobat PDF for uploading to the virtual scoring software. 

This assessment would best be used after students have demonstrated proficiency with comparing fractions with different numerators and different denominators.   

Details

Big Ideas & Competencies

Big Ideas Competencies

A. Understanding and Applying Number Systems

Students understand that numbers hold value and can choose the appropriate representations and algorithms to reason quantitatively, abstractly, and efficiently.

Comparing Fractions 2

Students can compare two fractions with different numerators and different denominators and justify their conclusions by creating common numerators or common denominators; comparing to benchmark fractions; or using number lines and other models.

NOTE ABOUT ASSESSMENT RUBRICS

Below are analytic teacher rubrics. The column on the left shows the dimension that is being measured in the student’s performance. The levels across the top row indicate the performance level in the dimensions. Occasionally all dimensions and performance levels are exemplified by multiple students in a single recording.

Teacher Rubric

Dimensions Not Yet Meeting Expectations Meeting Expectations Exceeding Expectations

Concepts and Procedures

  • I make mistakes comparing fractions.
No exemplars at this time.
  • I can compare fractions but made 1 or 2 mistakes.
No exemplars at this time.
  • I can compare fractions without mistakes.
No exemplars at this time.

Reasoning and Explaining

  • I can attempt to explain my comparisons, but they are unclear, inaccurate, or require the reader to infer a lot.
No exemplars at this time.
  • I can accurately explain my comparison, but the reader must make minor inferences and/or all of my explanations/models are the same.
No exemplars at this time.
  • I can accurately and clearly explain my comparisons in more than one way or using more than one type of model.
No exemplars at this time.

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