## 6.EE.5 Understand equations and inequalities and use substitution (1&2)

Posted: December 5, 2013 in Periods 1&2

6.EE.5 – Understand solving an equation or inequality as a process of answering a question: which values from a specified set, if any, make the equation or inequality true? Use substitution to determine whether a given number in a specified set makes an equation or inequality true.

•  a
1. Understand that equations have one solution using a pan balance
6.EE.5
• 2. Understand that equations have one solution using a number line
6.EE.5
• 3. Understand that an inequality has more than one solution using a pa…
6.EE.5
• 4. Understand that inequalities have more than one solution using a nu…
6.EE.5

#### Interactive Practice:

1. Solving Equations Using Inverse Operations – Explanation, examples and fifteen sample questions plus one standardized test practice question on this worksheet
2. Algebraic Expressions – Explanation, examples, and several practice problems
3. Algebraic Reasoning Using Weighing Scales – Learn how to think algebraically with these clever weighing scales. Levels 1 and 2 contain two scales. Level 3 is more difficult and has three scales. Your goal is to determine the weight of one or more of the objects.
4. Balancing Equations – Spy Guys Interactive Lesson 11
5. Beginning Algebra Tutorial 4: Introduction to Variable Expressions and Equations – Introduction, tutorial, lots of examples followed by practice problems
6. Evaluate a Formula Using Substitution – Short video lesson
7. Evaluate Expressions – Substitute values for variables in algebraic expressions and evaluate the expressions
8. Evaluating an Expression with One Variable – Explanation, practice and a game
9. Evaluating Expressions – Explanation, examples and a workout
10. Evaluating Expressions with Two Variables – Explanation, practice and a game
11. Evaluation: Evaluating Expressions, Polynomials, and Functions – Two-page lesson from Purple Math
12. Expression Evaluation Calculator – Enter your expression and click on Evaluate.
13. Expression Evaluation; Introduction to Expressions – First page of a multi page lesson with many examples and images
14. How to Solve Linear Inequalities – From E How
15. How to Solve Two Step Linear Equations in Algebra – Simple video lesson
16. Inequalities and Their Graphs – Draw a graph for each inequality, answers on pages 3 and 4 of this worksheet
17. Late Delivery – Find the value of expression written on each door to deliver the mail
18. Learning ratios and proportions through scale drawings – A text lesson plan
19. Linear Equations in One Variable – Tutorial with examples, several video clips are available to help student understanding
20. Linear Inequalities – From Paul’s Online Math Notes
21. Linear Inequalities – Graphing with a TI-83+/84+ calculator
22. Math Word Problems – Eight question multiple choice quiz [Variation or Inverse Proportion]
23. Patterns in Algebra – Find the relationship between two variables by using a table to find the pattern on this worksheet
24. Practice problems in solving an equation with variables on both sides– Ten practice problems, answers are checked
25. Single-Variable Inequalities – Solve one-step linear inequalities with this IXL quiz; addition and subtraction
26. Solve Equations with Algebra – How to solve linear equations in one variable using algebra
27. Solve One Step Linear Equations – Write your answer with w first, followed by an inequality symbol
28. Solving an Equation – Practice at manipulating expressions and finding the value of variables
29. Solving Linear Equations – Video lesson, solving linear equations with variable expressions in the denominators
30. Solving Linear Inequalities – Tutorial with a large number of examples
31. Solving One-Step Inequalities by Adding/Subtracting – Solve each inequality and graph its solution, answers on pages 3 and 4
32. Solving One-Step Inequalities by Multiplying/Dividing – Solve each inequality and graph its solution, answers on pages 3 and 4
33. Solving One-Step Linear Equations – Four page lesson from Purple Math, includes a Mathway widget to practice
34. Solving One-Step Linear Inequalities – Examples with graphs followed by guided practice and a problem set; answers not included
35. Solving Problems Involving Direct Proportion – Some good practice problems are presented here, UK units used [close the subscription screen to get to the problems]
36. Solving Proportion Problems – Four examples with detailed explanation
37. Taming Word Problems – An Internet4Classsrooms WebQuest related to this standard
38. Teacher Dodgeball – Re-arrange the numbers and operational signs to form a correct equation in the time given. If you are correct, you will hit the teacher with the dodgeball and move on to a more challenging round. Defeat all five teachers and earn your dodgeball champion certificate.
39. Translating Words Into Symbols – Translating words into symbols is equivalent to modeling a situation using an equation and variables
40. Using Graphs, Equations, and Tables to Investigate the Elimination of Medicine from the Body: Modeling the Situation – Lesson plan from NCTM
41. Using Inverse Operations to Solve Equations: When Students Ask – Suggestions for ways to answer student questions regarding this standard
42. Using Letters as Variables in Algebra – Part of the Making Math Meaningful series
43. Variables and Constants in Algebra – From School for Champions
44. Verbal Reasoning – Challenges students to clearly understand a problem and think through the solution
45. What Variable Would You Use …? – An answer from Wiki Answers
46. Why Do We Use Variables in Algebra? – From Ask Dr. Math
47. Writing Algebraic Equations – Explanation, examples, and five practice exercises to work
48. Writing Equations – Sentences to translate into equations