STUDENT ANNOUNCEMENTSSTUDENT ANNOUNCEMENTS

Any student wanting to become involved with HYDRO-Any student wanting to become involved with HYDRO-Higginsville Youth Directing Realistic Opportunities please Higginsville Youth Directing Realistic Opportunities please turn in your information sheet to Mrs. Rhoad or to Teri Ray turn in your information sheet to Mrs. Rhoad or to Teri Ray at the Chamber of Commerce Office.  HYDRO at the Chamber of Commerce Office.  HYDRO Organization Meeting and BBQ will be on SUNDAY, Aug Organization Meeting and BBQ will be on SUNDAY, Aug 22 at 5:00 at Fairground Park, RSVP to Teri at the 22 at 5:00 at Fairground Park, RSVP to Teri at the Chamber Office or to Mrs. Rhoad. Chamber Office or to Mrs. Rhoad.

LL FootballLL Football – register by Friday, August 20th for 6th – register by Friday, August 20th for 6th grade. Information packets in the office.grade. Information packets in the office.

LL Football CheerleadingLL Football Cheerleading – register by Friday, August – register by Friday, August 20th for 6th grade. Information packets in the office.20th for 6th grade. Information packets in the office.

School picturesSchool pictures will be Wednesday, August 25 will be Wednesday, August 25

Thursday, August 19Thursday, August 19Pre-AlgebraPre-Algebra

Fill in PlannerFill in Planner– Assignment: Practice 1-1 Assignment: Practice 1-1

(Enrichment 1-1 is extra (Enrichment 1-1 is extra credit)credit)

Agenda for todayAgenda for today– Distribute Textbooks (15 Distribute Textbooks (15

minutes)minutes)– Complete textbook Complete textbook

scavenger hunt (10 minutes)scavenger hunt (10 minutes)– Notes (25 minutes)Notes (25 minutes)– Group Practice (15 minutes)Group Practice (15 minutes)– Independent work on Independent work on

assignment (21 minutes)assignment (21 minutes)

Bell RingersBell Ringers

1.1. 1 week = 1 week = _7__7_ days days

2.2. 1 foot = 1 foot = _12__12_ inches inches

3.3. 1 nickel = 1 nickel = _5__5_ cents cents

4.4. 1 gallon = 1 gallon = _4__4_ quarts quarts

5.5. 1 yard = 1 yard = _3__3_ feet feet

Scavenger Hunt AnswersScavenger Hunt Answers

1.1. Solving Equations and InequalitiesSolving Equations and Inequalities2.2. Scientific NotationScientific Notation3.3. RedRed4.4. 30305.5. 200720076.6. DilbertDilbert7.7. An integer greater than 1 with exactly 2 positive An integer greater than 1 with exactly 2 positive

factors, 1 and the number itself.factors, 1 and the number itself.8.8. quartersquarters

Objective for Today’s LessonObjective for Today’s Lesson

Students will be able to identify variables, Students will be able to identify variables, numerical expressions, and variable numerical expressions, and variable expressions. Also, students will be able to expressions. Also, students will be able to write variable expressions for words and write variable expressions for words and phrases.phrases.

Why is this important?

DefinitionsDefinitions

1.1. Variable:Variable: A letter that stands for a number that is A letter that stands for a number that is unknown. (Ex. x+3; x is a variable)unknown. (Ex. x+3; x is a variable)

2.2. Numerical expression:Numerical expression: A mathematical phrase A mathematical phrase that uses numerals and operation symbols. (Ex that uses numerals and operation symbols. (Ex 7+3; 7+3 is a numerical expression)7+3; 7+3 is a numerical expression)

3.3. Variable expressionVariable expression: A mathematical phrase that : A mathematical phrase that uses variables, numerals, and operation uses variables, numerals, and operation symbols. (Ex. x+3; x+3 is a variable expression)symbols. (Ex. x+3; x+3 is a variable expression)

Identify each expression as a numerical or a Identify each expression as a numerical or a variable expression. For a variable variable expression. For a variable expression, what is the variable?expression, what is the variable?

6100

55 Numerical Variablex8

5c

943 d

Write a variable expression for each Write a variable expression for each word phraseword phrase

1.1. Nine more than a number yNine more than a number y

2.2. 4 less than a number n4 less than a number n

3.3. A number z times threeA number z times three

4.4. A number a divided by 12A number a divided by 12

5.5. 5 times the quantity 4 plus a 5 times the quantity 4 plus a

number cnumber c

y9

4n3z

12a

)4(5 cRags to Riches

Measurement. Write an expression Measurement. Write an expression for each quantity.for each quantity.

1.1. The number of days in 4 weeksThe number of days in 4 weeks

2.2. The number of days in w weeksThe number of days in w weeks

3.3. The number of pounds in 160 ouncesThe number of pounds in 160 ounces

4.4. The number of pounds in z ouncesThe number of pounds in z ounces

47

w7

16

160

16z

Objective for Today’s LessonObjective for Today’s Lesson

Students will be able to identify variables, Students will be able to identify variables, numerical expressions, and variable numerical expressions, and variable expressions. Also, students will be able to expressions. Also, students will be able to write variable expressions for words and write variable expressions for words and phrases.phrases.