Unit 2: Introducing Proportional Relationships

Students develop the idea of a proportional relationship, working with relationships represented in tables, as equations, and on graphs.

Worksheets

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Unit

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Concept

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Practice

Set 1

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Set 2

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Advanced

Set 1

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Set 2

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What this unit covers

A Representing Proportional Relationships with Tables · 3 lessons

Goals

• Determine the constant of proportionality for a proportional relationship represented in a table, and interpret it in context.
• Explain how to calculate unknown values in a table that represents a proportional relationship.

Lessons

1. One of These Things Is Not Like the Others
2. Introducing Proportional Relationships with Tables
3. More about Constant of Proportionality

B Representing Proportional Relationships with Equations · 3 lessons

Goals

• Use an equation to solve problems involving a proportional relationship.
• Write an equation to represent a proportional relationship, given a table or a description of the situation.

Lessons

1. Proportional Relationships and Equations
2. Two Equations for Each Relationship
3. Writing Equations to Represent Relationships

C Comparing Proportional and Nonproportional Relationships · 3 lessons

Goals

• Determine whether the values in a table could represent a proportional relationship.
• Use a table to determine whether an equation represents a proportional relationship.

Lessons

1. Comparing Relationships with Tables
2. Comparing Relationships with Equations
3. Solving Problems about Proportional Relationships

D Representing Proportional Relationships with Graphs · 4 lessons

Goals

• Determine whether a given graph represents a proportional relationship.
• Identify the constant of proportionality from the graph of a proportional relationship.
• Interpret points on the graph of a proportional relationship.

Lessons

1. Introducing Graphs of Proportional Relationships
2. Interpreting Graphs of Proportional Relationships
3. Using Graphs to Compare Relationships
4. Two Graphs for Each Relationship

E Let’s Put It to Work · 2 lessons

Lessons

1. Four Representations (Optional)
2. Using Water Efficiently

Helpful to know first

The curriculum says this unit builds on these.

Grade 6 Math · Unit 2 Introducing Ratios

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