Overview

In this performance assessment, students will multiply whole numbers by fractions to find how much pizza different pizza parlors sold.  

Specifically, students will be asked to draw models and write equations to represent models to show their understanding of how to multiply fractions by whole numbers.

Students will also have to write their own story about an imaginary pizza parlor that sold slices of pizza to a group of people. Then, the students will write an equation and draw a model to represent their story.

Additional guidelines: This assessment might best be used after students have learned the standard of multiplying fractions by whole numbers and how to draw them using a model. 

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.

Strategies for Multiplying Fractions 1

Students can use number lines and other models to express a whole number multiple of a/b as a whole number multiple of 1/b and use this understanding to multiply a fraction by a whole number.

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

Reasoning and Explaining

  • I can write a story problem, but it does not demonstrate my understanding of multiplying a fraction by a whole number or it is not solved correctly.
No exemplars at this time.
  • I can write and solve a story problem that demonstrates my understanding of multiplying a fraction by a whole number, but it requires some inference.
No exemplars at this time.
  • I can write and solve a story problem that clearly demonstrates my understanding of multiplying a fraction by a whole number.
No exemplars at this time.

Concepts and Procedures

  • I made 2 or more mistakes in the equations and/or my models.
No exemplars at this time.
  • I made 1 mistake in my equations or models.
No exemplars at this time.
  • I made no mistakes in my equations and models.
No exemplars at this time.

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