Several inequalities can be combined together to form what are called compound inequalities. Teacher overhead set of number line and large inequality arrows. Solving inequalities a coteaching lesson plan virginia. Explore the graphs of two inequalities and find their union or intersection. Al students earning above a 90 or below a 65 were asked to report to room a for addtiona instructions. In this activity, students explore compound inequalities and make connections among multiple representations including algebraic expressions, verbal statements, number line graphs, and solution sets. This partner activity is a spin on the game battleship. Learn introduction to compound inequalities with free interactive flashcards.
There are three types of compound inequalities which we will investigate in this lesson. Topics include basic singlevariable inequalities, as well as, onestep, twostep, and compound inequalities. 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. The levels are classified based on the number of steps that required solving compound inequalities. Determine the relationship between the endpoints of the inequalities and. Solving and graphing compound inequalities make sure to view the concept video followed by examples 1, 2, and 3. When two simple inequalities are combined into one statement by the words and or or, the result is called a compound inequality. Ai compound inequalities online lesson math with mr.
Here, solving compound inequalities is in the context of a high school algebra ii class. Graphing compound inequalities math worksheets 4 kids. An introduction to solving and graphing inequalities brief overview. Ninth grade lesson compound inequalities betterlesson. Students will watch a video, participate in discussion questions, calculate problems, complete an activity, and take a quiz. And indicates that both statements of the compound sentence are true at the same time. Compound inequalities and graphing lesson plan cube fellow. Students take turns choosing spaces to attack by solving absolute value inequalities.
When we write inequalities, we always need to write the numbers in the same order as they show up on the number line. Tes global ltd is registered in england company no 02017289 with its registered office at 26 red lion square london wc1r 4hq. Determine the relationship between the endpoints of the inequalities and the endpoints of the compound inequality. Introduction to solving linear inequalities in one variable wccusd. While students are working, encourage them to check values from their solution intervals in the original inequality mp6. Inequalities help you determine how to reach your fundraising goals. Ive never really given my students as reason for why we need to even deal with compound inequalities in the first place. Rewrite the inequality as two separate inequalities. If i know that x 8 and x compound inequality because of the word and.
The main goal of this lesson is to connect solving compound inequalities with the geometry behind the ideas. Student activities linked to the lessons are provided at the end of each. Al students earning above a 90 or below a 65 were asked to report to room a. It is different when you have a solution such as 4 4. Check out more battle my math ship activities here or get all of them. Review solving and graphing compound inequalities applied linear inequalities. You use an open circle when graphing or inequalities. When solving compound inequalities, we use some of the same methods used in solving multistep inequalities. 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. Discuss the differences between graphing conjunctions and disjunctions and less thangreater than and less. This activity is also perfect for math centers and rotating math stations.
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. Coordinate algebra compound inequalities notes date. Mar 20, 2014 this website and its content is subject to our terms and conditions. Classroom activities to solve inequalities synonym. Compound inequality the result of combining two inequalities.
And why to solve a problem involving the chemistry of a swimming pool, as in example 3 11 solving compound inequalities containing and 1. Choose from 500 different sets of introduction to compound inequalities flashcards on quizlet. 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. Related activities this is the second activity in a series of three. Before the lesson, laminate the number line activity sheet. You can switch between the videos on the right side of the brightstorm page. The inequalities you have seen so far are simple inequalities. Distribute copies of the solving inequalities in one and two variables activity sheet, and have students complete it. They can be used for individual work or for group work. In algebra, inequalities are equations in which the answer can be a range of values instead of only one correct solution. I recommend that you work out the problem instead of making a guess. 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.
Solving and graphing inequalities joined by and or or. Compound inequalities a compound inequality is a sentence with two inequality statements joined either by the word or or by the word and. Model for the class how to graph compound inequalities on a number line. Each section except the first section contains three levels of compound inequalities worksheets based on either solving or graphing or both. Students are then to complete the worksheet by translating to words the inequality given. Inequalities worksheetsjust remember that you need set builder notation for each problem. 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. This website and its content is subject to our terms and conditions. A l 1mda9d ken 6wsi rt 4hw hinnbf ti7n nipt ie2 uajlagte 8b 0r4al y1e. This compound inequality matchup activity provides students with practice solving compound inequalities and graphing solutions. The solutions to compound inequalities can be graphed on a number line, and can be expressed as intervals. This lesson is designed to introduce graphing inequalities on a number line as well as solving one step linear inequalities in one variable.
The words and and or are used to describe how the two parts are related. Oct 07, 2016 introducing compound inequalities with a foldable i have never been happy with how ive taught compound inequalities in the past. How it worksthis activity includes 16 compound inequalities, solutions, and number lines. The numberline graphs are then to be identified by their inequality as well as the solution to the inequality. Unions when an inequality is combined by the word or the compound inequality is formed.
Graph each basic compound inequality in a number line at the correct interval. Solve each compound inequality and graph its solution. The 35 game for compound inequalities mathcoachblog. Compare shading the coordinate plane for an inequality in two variables to shading the number line for an inequality in one variable. Chapter 6 solving linear inequalities lessons 61 through 6. For example, 3 plus x is less than 5 is an inequality in which any number. For this we use compound inequalities which are inequalities with multiple inequality signs. Write the word or phrase that best completes each statement or answers the question. Provided as a word document so you can make changes for your classroom as you see fit.
Solve, graph and give interval notation to the solution of compound inequalities. Assessment questions o how is solving an inequality different from solving an equation. Aspects of the built environment, such as walkability, may mitigate activity inequality. 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. Inequalities worksheets the pages below all have printable algebra worksheets for teaching students to solve and graph inequalities. Inequalities matchingmania anderson school district five. Watch the following video on solving compound inequalities.
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