Learning Activity

The Food Drive

Subject Area

Mathematics

Grade(s)

4

Overview

Students will use data from a table to make multiplicative comparison statements of the data. This activity allows multiple practice opportunities.

This activity results from the ALEX Resource Development Summit.

Mathematics (2019) Grade(s): 4

MA19.4.1

Interpret and write equations for multiplicative comparisons.

Unpacked Content

UP:MA19.4.1

Vocabulary

  • Multiplicative comparison
  • Multiplier
  • Equation
  • Times as many
  • Times as much
  • Verbal statement
  • Factor
  • Product
  • Quantity
  • Multiple
  • Scale factor

Knowledge

Students know:
  • How to write an equation to represent a word situation.
  • Which quantity is being multiplied and which factor is telling how many times.
  • Varied language that describes multiplicative comparisons.

Skills

Students are able to:
  • Interpret equations for multiplicative comparisons.
  • Write equations for multiplicative comparisons.

Understanding

Students understand that:
  • Multiplicative comparisons relate the size of two quantities and a scale factor.
  • Factors in multiplication problems have different roles from each other in the context of comparison problems.
  • Explanations and drawings show ways multiplicative comparisons are similar to and different from equal groups and arrays.

Phase

During/Explore/Explain
Learning Objectives

Learning Objectives

The student will be able to use verbal statements to describe multiplicative comparisons and write a multiplication equation that represents the statement.

Activity Details

The teacher will show the Google Slide Show to the whole group.

  1. Show slide one (title slide). Activate student thinking by asking students what happens during a food drive. Ask students, "If we had a food drive here, how could we keep up with the amounts collected each day?"
  2. Allow students to share their responses.
  3. Show slide two. Discuss with students how the amounts (data) are displayed in a table. Ask students, "How does this table help us locate data quickly?"
  4. Ensure that students can accurately read the table through questioning. Ask, "How many cans did Mrs. Frye's class collect on Tuesday? Who collected the most cans on Thursday?, etc."
  5. Students will work independently or in partners to complete the questions that accompany the slide in their math journals/paper.
  6. Allow students to share their answers and their thinking.
Assessment Strategies

Assessment Strategies

Check student work at the conclusion of the activity to assess their understanding. You can use the following guidelines to ensure students meet the learning objective.

Check that the student:

  1. read the data within the table.
  2. correctly formed multiplicative comparison statements based on the data.

Variation Tips

This task can be used as a stand-alone activity or in conjunction with Comparing Amounts (before activity) and Picture This! (after activity).

Background and Preparation

Background / Preparation

The teacher will need a copy of the Google Slide Show and a projector to display the task. Students will need pencils and math journals/paper.

Digital Tools / Resources

https://docs.google.com/presentation/d/1xZNJVVGLTPXM5L7GEBZnqkF8PDT2RCYWLaJ1XTV…

Approved Date

Owner (Author)

mfrye
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