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Chapter 7 Investigations

7.1 Writing Expressions and Equations

To solve real world problems, you need to translate verbal phrases and sentences into variable expressions and equations. Complete the steps below to learn how to easily write exressions and equations and solve problems in your life!

Step #1: Look up the definition for "expression" at Math Dictionary for Kids and record the definition in your own words p.5 of your ch 7 packet.

Step #2: Look up the definition for "equation" at Math Dictionary for Kids and record the definition in your own words p.5 of your ch 7 packet.

Step #3: Practice writing expressions & equations here

Step #4: Test out of 7.1 here

IF YOU DID NOT score 80% of higher, please practice more here.


Step #5:  Play some games

Game #1:  Writing expressions billionaire


7.2 - Simplifying Expressions

Learning Goal: Simplify expressions with like terms


Step #1: Time to Practice   ~   Beat the game and move on....


Step #2: Think you get it?
TEST OUT!  Click on Chapter 7, Lesson 2.

WHEN YOU FINISH SHOW YOUR TEACHER YOUR SCORE

IF YOU SCORE 80% or higher skip to step #6

If you score less than 80% complete steps 3,4, 5, and 6

Step #3:  Learn the lesson


Step #4:  Try these exercises


Step #5:  Retest out


Step #6: 


Game #1  Like term match up


Game #2  7.1 Review Game


Game #3 - Rags to Riches Combining Like Terms




7.5, 7.6, and 7.7 Post Quiz Fun......


7.5 Xtreme Xtra Practice


7.6 More Marvelous Maths


7.7 Function Frenzy


If you have mastered 7.5-7.7, then see the Venn Perplexer sheet and be perplexed.




7.6 WRITE AND SOLVE INEQUALITIES



Writing and solving inequalities can help you solve real-life problems such as, you have $3.00 for lunch. You want to buy a sandwich for $1.50, a fruit snack for $.60, and a can of juice for $0.75. Do you have enough money?

The steps below will help you write and solve inequalities for problems like the one above.



Step #1: Learn the lesson on how to solve & graph inequalities

Step #2: Try the exercises.

Step #3: Solve and graph 5 inequalities here.

Step #4: Test out of 7.6.

If you do not earn an 80% or higher, complete some extra practice here.

If you get an 80% or higher, go ahead and complete #'s 5-7

Step #5: For an added challenge, practice writing inequalities here.

Step #6: Now check out this angle review

Step #7: If you have time check out this probability review.



7.7 Functions and Equations


Step #1: Record the definition for function, imput, output, domain, and range in p. 9 of your ch 7 part 2 vocab section

Step #2: Learn the lesson

Step #3: Try the exercises

Step #4: Work with a virtual function machine and guess its rule

Step #5: Test out of 7.7

If you earn an 80& or higher, please complete 7.7 challenge.

If you do not earn an 80%, please complete this game.


7.8 Graphing Functions


A function can be graphed in a coordinate plane by creating an input-output table, forming ordered pairs, and plotting the ordered pairs. A linear function is a function whose graph is a line or part of a line. Not all graphs are lines, nor do all graphs represent functions.

Step #1: Learn this lesson

Step #2: Try these exercises

Step #3: Try this activity

Step #4: 7.8 Test out


If you scored 80% of higher on the test out, Challenge: Please complete the 7.8 challenge in your ch 7 part 2 packet.

IF you DID NOT test out, please see your teacher.

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