Solve real-world and mathematical problems by writing and solving equations of the form *x* + *p* = *q* and *px* = *q* for cases in which *p*, *q* and *x* are all nonnegative rational numbers.

#### Lesson Videos:

Write and solve addition equations using a bar model

In this lesson you will learn how to write and solve an addition equation by using a bar model.

Write and solve subtraction equations using a bar model

In this lesson you will learn how to write and solve a subtraction equation by using a bar model.

Write and solve multiplication equations using a bar model

In this lesson you will learn how to write and solve a multiplication equation by using a bar model.

Write and solve division equations using a bar model

In this lesson you will learn how to write and solve a division equation by using a bar model.

Writing algebraic equations (Addition, Subtraction)

In this lesson you will learn how to write an algebraic equation from a real-world scenario by determining when to use addition and subtraction.

Solve algebraic equations involving addition and subtraction using in…

In this lesson you will learn how to solve algebraic equations involving addition and subtraction by using inverse operations.

Write an algebraic equation from a real-world scenario using multipli…

In this lesson you will learn how to write an algebraic equation from a real-world scenario by determining when to use multiplication and division.

Solve addition and subtraction word problems by identifying key vocab…

In this lesson you will learn how to solve addition and subtraction word problems by identifying key vocabulary.

Solve addition and subtraction word problems by identifying key vocab…

In this lesson you will learn how to solve addition and subtraction word problems by identifying key vocabulary.

Solve multiplication and division word problems by identifying key vo…

In this lesson you will learn how to solve multiplication and division word problems by identifying key vocabulary.

Solve multiplication and division word problems by identifying key vo…

In this lesson you will learn how to solve multiplication and division word problems by identifying key vocabulary.

Solve word problems: identifying key vocabulary

In this lesson you will learn how to solve word problems by identifying key vocabulary.

#### Isolation Drills:

Constructing linear equations word problems

One-step equations with addition and subtraction

One-step equations with multiplication

#### Interactive Practice:

- I4C – Linear Equations in One Variable with Addition – Decimal Numbers – These worksheets support the following Common Core State Standard: CCSS.Math.Content.6.EE.B.7. There are 100 worksheets available on this topic. A master answer key is available.
- I4C – Linear Equations in One Variable with Addition – Whole Numbers– These worksheets support the following Common Core State Standard: CCSS.Math.Content.6.EE.B.7. There are 100 worksheets available on this topic. A master answer key is available.
- I4C – Linear Equations in One Variable with Division – Decimal Numbers – These worksheets support the following Common Core State Standard: CCSS.Math.Content.6.EE.B.7. There are 100 worksheets available on this topic. A master answer key is available.
- I4C – Linear Equations in One Variable with Division – Whole Numbers– These worksheets support the following Common Core State Standard: CCSS.Math.Content.6.EE.B.7. There are 100 worksheets available on this topic. A master answer key is available.
- I4C – Linear Equations in One Variable with Multiplication – Decimal Numbers – These worksheets support the following Common Core State Standard: CCSS.Math.Content.6.EE.B.7. There are 100 worksheets available on this topic. A master answer key is available.
- I4C – Linear Equations in One Variable with Multiplication – Whole Numbers – These worksheets support the following Common Core State Standard: CCSS.Math.Content.6.EE.B.7. There are 100 worksheets available on this topic. A master answer key is available.
- I4C – Linear Equations in One Variable with Subtraction – Decimal Numbers – These worksheets support the following Common Core State Standard: CCSS.Math.Content.6.EE.B.7. There are 100 worksheets available on this topic. A master answer key is available.
- I4C – Linear Equations in One Variable with Subtraction – Whole Numbers – These worksheets support the following Common Core State Standard: CCSS.Math.Content.6.EE.B.7. There are 100 worksheets available on this topic. A master answer key is available.
- Solving Equations Using Inverse Operations – Explanation, examples and fifteen sample questions plus one standardized test practice question on this worksheet
- Algebraic Expressions – Explanation, examples, and several practice problems
- Beginning Algebra Tutorial 4: Introduction to Variable Expressions and Equations – Introduction, tutorial, lots of examples followed by practice problems
- Compare Decimals using a Number Line – Practice problems
- Evaluate a Formula Using Substitution – Short video lesson
- Evaluate Expressions – Substitute values for variables in algebraic expressions and evaluate the expressions
- Evaluating an Expression with One Variable – Explanation, practice and a game
- Evaluating Expressions – Explanation, examples and a workout
- Evaluating Expressions with Two Variables – Explanation, practice and a game
- Evaluation: Evaluating Expressions, Polynomials, and Functions – Two-page lesson from Purple Math
- Expression Evaluation Calculator – Enter your expression and click on Evaluate.
- Expression Evaluation; Introduction to Expressions – First page of a multi page lesson with many examples and images
- Linear Equations in One Variable – Tutorial with examples, several video clips are available to help student understanding
- Patterns in Algebra – Find the relationship between two variables by using a table to find the pattern on this worksheet
- Rational Numbers on a Number Line – compare decimals with or without a number line
- Rational Numbers on the Number Line – Worksheet with explanation and eleven practice problems
- Solve Equations with Algebra – How to solve linear equations in one variable using algebra
- Solving One-Step Linear Equations – Four page lesson from Purple Math, includes a Mathway widget to practice
- Taming Word Problems – An Internet4Classsrooms WebQuest related to this standard
- Translating Words Into Symbols – Translating words into symbols is equivalent to modeling a situation using an equation and variables
- Using Inverse Operations to Solve Equations: When Students Ask – Suggestions for ways to answer student questions regarding this standard
- Using Letters as Variables in Algebra – Part of the Making Math Meaningful series
- Variables and Constants in Algebra – From School for Champions
- What Variable Would You Use …? – An answer from Wiki Answers
- Why Do We Use Variables in Algebra? – From Ask Dr. Math
- Writing Algebraic Equations – Explanation, examples, and five practice exercises to work