How to write an inequality for a situation

Have experience working with equations. If you are getting close to the end of class period, assign this independent practice as homework or use as bell work the following day to allow time to revisit the AnticipationGuideInequalities.

What can you say about how old she is now? Each student should write one or more sentences for each statement explaining why they agree or disagree with the statement. It is important at this point not to indicate which is correct. All the answers will be addressed during the lesson.

What relationship would she expect to see between the two stocks at the end of Tuesday? How do I represent situations with more than one solution? Students should raise their hand when they are finished.

What activities or exercises will the students complete with teacher guidance? Have students write an inequality to represent her percent. Post four statements under the document camera such as: We could write this inequality as: The stocks were not worth the same amount in the beginning, so if each stock loses half its value, the new values will not be equal either.

Writing Inequalities to Represent Situations

Keep these handy as a reference. Pose the following situation to students you may want to post it under the document camera: Guide students through writing an inequality for each situation.

I promise to make this as easy as possible. Word Problem Solving Strategies Read through the entire problem.

Writing an Inequality for a Real-World Situation

Students should be able to write an inequality to represent a given situation. Students who grasp this concept quickly can write their own situations that could be represented with inequalities.

Ask them to write three other possible percentages on the same paper. If we divide both side of an inequality by a negative number, the inequality is reversed. Manatee Is this Resource freely Available? By coming up with specific numbers, students are more likely to be able to determine the correct representation.

The exercise below will let us find out. Each set can be placed in its own envelope. General Lesson Plan Learning Objectives: Are you ready to dive into the "real world" of inequalities?

How many miles can Katie travel without exceeding her budget? Pay close attention to the key words given below, as this will help you to write the inequality. You would probably think that at least means less than. If we take the same two numbers and multiply them by What activities or exercises will students complete to reinforce the concepts and skills developed in the lesson?

What happens if we multiply both numbers by the same value c? Click here to move onto the word problem practice problems. Inequality Key Words at least - means greater than or equal to no more than - means less than or equal to more than - means greater than less than - means less than Ok Jayla has an "A" in her mathematics class.

What are the guiding questions for this lesson? On this number line, points B and A are our original values of 2 and 5. To put it mathematically: So, we must use the greater than or equal to symbol. In 7 years, Ellie will be old enough to vote in an election.In cases like this with more than one right answer, we use inequalities, not equations, to represent the situation.

Inequalities are math statements that define a range of values. We could write this inequality as: e + 7 ≥ 18, where e represents Ellie’s age. Solving Word Problems in Algebra Inequality Word Problems.

Pay close attention to the key words given below, as this will help you to write the inequality. Once the inequality is written, you can solve the inequality using the skills you learned in our past lessons.

Write an inequality that represents Katie's situation. How many miles. DRIVING You must be at least 16 years old to have a driver’s license. Write an inequality to describe this situation. Words Variable Inequality Your age is at least 16 years.

Let a =. Another type of sentence used in algebra is called an inequality. An inequality is used when we don't know exactly what an expression is equal to. Instead of an equals sign, we use one of these symbols: > greater than.

Writing an Inequality for a Real-World Situation - A tutorial to learn maths in simple and easy steps along with word problems, worksheets, quizes and their solutions and explanation. Write an inequality for the situation. all real numbers y that are less than –3 or greater than 18 A) y –3.

How to write an inequality for a situation
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