Each section except the first section contains three levels of compound inequalities worksheets based on either solving or graphing or both. There are three types of compound inequalities which we will investigate in this lesson. Graph each basic compound inequality in a number line at the correct interval. Compound inequalities in mathematics, it can be useful to limit the solution or even have multiple solutions for an inequality. Compound inequalities a compound inequality is a sentence with two inequality statements joined either by the word or or by the word and. Graphing compound inequalities math worksheets 4 kids. Classroom activities to solve inequalities synonym. For this we use compound inequalities which are inequalities with multiple inequality signs.
Compare shading the coordinate plane for an inequality in two variables to shading the number line for an inequality in one variable. When we write inequalities, we always need to write the numbers in the same order as they show up on the number line. Write the word or phrase that best completes each statement or answers the question. Inequalities matchingmania anderson school district five. An introduction to solving and graphing inequalities brief overview. Tes global ltd is registered in england company no 02017289 with its registered office at 26 red lion square london wc1r 4hq. Solve, graph and give interval notation to the solution of compound inequalities. For example, 3 plus x is less than 5 is an inequality in which any number. Determine the relationship between the endpoints of the inequalities and the endpoints of the compound inequality. This week in algebra 1, my students completed the first part of their inequalities unit with much success, but now storm clouds appear on the horizon compound inequalities, where english class meets math class with talk of conjunctions those pesky ands and ors. Assessment questions o how is solving an inequality different from solving an equation. It is different when you have a solution such as 4 4.
This lesson is designed to introduce graphing inequalities on a number line as well as solving one step linear inequalities in one variable. This activity is also perfect for math centers and rotating math stations. Rewrite the inequality as two separate inequalities. This compound inequality matchup activity provides students with practice solving compound inequalities and graphing solutions. Al students earning above a 90 or below a 65 were asked to report to room a. Topics include basic singlevariable inequalities, as well as, onestep, twostep, and compound inequalities. Solving and graphing inequalities joined by and or or. The inequalities you have seen so far are simple inequalities. Oct 07, 2016 introducing compound inequalities with a foldable i have never been happy with how ive taught compound inequalities in the past. They can be used for individual work or for group work. Aspects of the built environment, such as walkability, may mitigate activity inequality. Related activities this is the second activity in a series of three. When two simple inequalities are combined into one statement by the words and or or, the result is called a compound inequality. This partner activity is a spin on the game battleship.
Finally, in this lesson when we show the student the point test, we are preparing them for the same point test we would use in a linear inequality. Inequalities 3a simple inequalities 31 graphing and writing inequalities 32 solving inequalities by adding or subtracting 33 solving inequalities by multiplying or dividing you can use the concepts in this chapter to plan for a fundraising event. Learn introduction to compound inequalities with free interactive flashcards. Unions when an inequality is combined by the word or the compound inequality is formed. When the students complete this activity, they return the matchingmania cards back to the plastic storage bag and hand the worksheets in to the teacher.
Introduction to solving linear inequalities in one variable wccusd. The words and and or are used to describe how the two parts are related. When solving compound inequalities, we use some of the same methods used in solving multistep inequalities. Students are then to complete the worksheet by translating to words the inequality given. Mar 20, 2014 this website and its content is subject to our terms and conditions. Student activities linked to the lessons are provided at the end of each. Here, solving compound inequalities is in the context of a high school algebra ii class. You use an open circle when graphing or inequalities.
The levels are classified based on the number of steps that required solving compound inequalities. Distribute copies of the solving inequalities in one and two variables activity sheet, and have students complete it. This lesson plan explores calculating and graphing compound inequalities. Before the lesson, laminate the number line activity sheet. For example, the solution set of the compound inequality x 5 and x u 3 contains all values of x that make the inequality x 5 a true. Coordinate algebra compound inequalities notes date. Several inequalities can be combined together to form what are called compound inequalities. Compound inequalities and graphing lesson plan cube fellow. Solve each compound inequality and graph its solution. If i know that x 8 and x compound inequality because of the word and. Watch the following video on solving compound inequalities. The numberline graphs are then to be identified by their inequality as well as the solution to the inequality. And indicates that both statements of the compound sentence are true at the same time.
The main goal of this lesson is to connect solving compound inequalities with the geometry behind the ideas. Students take turns choosing spaces to attack by solving absolute value inequalities. I recommend that you work out the problem instead of making a guess. Check out more battle my math ship activities here or get all of them. Model for the class how to graph compound inequalities on a number line. Teacher overhead set of number line and large inequality arrows. And why to solve a problem involving the chemistry of a swimming pool, as in example 3 11 solving compound inequalities containing and 1.
Explore the graphs of two inequalities and find their union or intersection. The solutions to compound inequalities can be graphed on a number line, and can be expressed as intervals. Inequalities worksheets the pages below all have printable algebra worksheets for teaching students to solve and graph inequalities. Chapter 6 solving linear inequalities lessons 61 through 6.
Compound inequality matchup algebra activities, math. Discuss the differences between graphing conjunctions and disjunctions and less thangreater than and less. In algebra, inequalities are equations in which the answer can be a range of values instead of only one correct solution. A l 1mda9d ken 6wsi rt 4hw hinnbf ti7n nipt ie2 uajlagte 8b 0r4al y1e. How it worksthis activity includes 16 compound inequalities, solutions, and number lines. Choose from 500 different sets of introduction to compound inequalities flashcards on quizlet. Ai compound inequalities online lesson math with mr. In this activity, students explore compound inequalities and make connections among multiple representations including algebraic expressions, verbal statements, number line graphs, and solution sets. The 35 game for compound inequalities mathcoachblog. Solving and graphing compound inequalities make sure to view the concept video followed by examples 1, 2, and 3. Ive never really given my students as reason for why we need to even deal with compound inequalities in the first place. Individuals in the five countries with highest activity inequality are 196% more likely to be obese than individuals from the 5 countries with lowest activity inequality. Students are applying their knowledge from the previous lesson to solve an unfamiliar type of problem.
Tes global ltd is registered in england company no 02017289 with its registered office. Inequalities help you determine how to reach your fundraising goals. Review solving and graphing compound inequalities applied linear inequalities. Provided as a word document so you can make changes for your classroom as you see fit. This website and its content is subject to our terms and conditions. Solving compound inequalities examples, videos, worksheets.
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