• Using alternative representations of rational numbers
• Applying GCF, LCM and prime and composite numbers, including justification for the reasonableness of results, when working with rational numbers
• Applying proportional reasoning
• Using vocabulary associated with sets, including union and intersection
• Determining whether a number is rational or irrational
• Demonstrating computational fluency with operations on rational numbers

CPS k12
This is a structured lesson plan that provides strategies for teaching, examples, worksheets, and assessments. (Day 23)

Eduplace
This is a lesson built around the number line.

The Product Game:
By playing, students develop understanding of factors and multiples and of the relationships between them.

Eduplace
This lesson addresses signed rational and irrational numbers.

Eduplace
This lesson is on repeating and terminating decimals.

Where Does Money Come From: 
Students are given practice in performing basic operations while learning about how taxes work.

The Great Depression - What would it be like today?: 
Calculate the percentage decline in factors affecting the quality of life during the 1930s, and what the same percentage decline for these factors would mean for our lives today.

What's the Cost?: 
Compare the cost of living in 1850s New York and the costs of various items today.

How Much Do You Weigh In Outer Space?: 
Students learn about the relationship between mass, gravity, and weight, and apply it to determine weight on other planets in our solar system.

The Movies: All About Film: 
Students explore rate and distance measurements with this activity about movie reels.

Operations With Rational Numbers: 
Any number that can be written as a fraction is a rational number. This lesson helps your students learn to work with this important group of numbers.

Comparing and Ordering Rational Numbers: 
A virtual math manipulative that allows students to manipulate numbers in an interactive game.

IIT Edu
A card game that matches percents with decimals and fractions.

CPS K12
This is a structured lesson plan that provides strategies for teaching, examples, worksheets, and assessments. (Day 57)

Compare and Order Rational Numbers:
A series of lessons explaining how to compare and order fractions, decimals, integers, and whole numbers.

A "New Set of Numbers".  An Introduction to Integers: 
A written lesson plan teaching students to add and subtract positive and negative integers.

Finding Satisfactory Solutions:
Students explore and practice the creative aspects of problem solving.

Budget-Making: 
Students will become familiar with government funding, services, and budgets.

IOU: 
An introduction to the national debt.

Sets and the Venn Diagram: 
Students experiment with sets in conjunction with a Venn Diagram.

Algebra Help
This lesson introduces an important algebraic concept known as the equation.

Algebra Help
A proportion is a special form of an algebra equations.

Algebra Help
Basic Word Problems - A word problem in algebra is the equivalent of a story problem in math.

Assessing Basic Algebra Skills
Diagnosing Weaknesses

Introduction to Algebra
Exploring Variables and Expressions

Operations with Rational Numbers
Graphing Integers on the Number Line

Exploring expressions, equations, and functions
Stock Market Project

Ratios and Proportions
Solving Problems Using Proportions

Applying Rational Numbers and Ratios and Proportions
Presenting the Stock Market Project

Investigating Linear Functions
Exploring Slope
 

Venn Diagrams:
Online practice in interpreting Venn diagrams.

All About Comparing:
These pages teach number comparison skills. Each page includes an explanation, interactive practice, and challenging games.

Eduplace
Houghton Mifflin Teaching models for comparing and ordering integers.

Sets:
Online practice in interpreting representations of sets.

GAP
A History of Set Theory

Verbal Reasoning:
Online practice in interpreting Venn diagrams.

Math101
A very good printable reference list for set symbols.

Eduplace
"I have, who has" cards for absolute value

Absolute Value: 
Introduction to this useful concept.

Graphing Absolute Value Equations: 
Notes, examples, and related topics

Notes on Set Theory: 
Explanations of different aspects of set theory.

Infinity: 
A discussion on the concept of infinity.

Null Set:
A discussion of the concept of an empty set.

Comparing Integers:
Brief explanation and online practice in comparing integers. Follow table of contents link for similar material.

Ordering Numbers: 
Brief explanation and online practice in ordering integers. Follow table of contents link for similar material.

AAA Math
This is an online lesson tutorial for absolute value including interactive example problems.

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