1. Topic-
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2. Content-
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evaluate substitute
simplify
algebraic expression
input/output
variables |
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3. Goals: Aims/Outcomes-
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To be able to substitute a number for a variable in an algebraic
expression.
To be able to complete the input/output graphic organizer that leads
to understanding the nth term |
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4. Objectives-
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1.To evaluate algebraic expressions
2.To replace a variable with a number, then simplify
3.Subsitute consecutive numbers in an algebraic expression to get
a pattern |
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5. Materials and Aids-
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Input/Output Graphic Organizer
Notebook
Extra Practice Sheet |
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6. Procedures/Methods-
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A. Introduction-
Remind students how we investigate patterns and the nth term.
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B. Development-
1.Show the formula $8.00 + $1.00e
2.Discuss what each part represents. (Pizza with extra toppings)
3.How much would a 5 topping pizza be? |
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C. Practice-
1.Have the students work with a partner.
2.Look at the question on the chart paper.
3.Come up with an equation.
4.How much does it cost to rent the room for 5 people?($25) For 10
people?($25) For 100 people?($25)
5.What is the cost of the food for 5 people? ($15)
How do you know
($3.00 per person)
6.What is the cost of food for 10 people? ($30)
For 100 people? ($100)
7.What is the total cost of the party for 5 people?
($25 + $15 = $40)
8.What is the cost of food for n people? ($3n)
9.What is the total cost for n people? (($25 + $3n) |
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D. Independent Practice-
Do questions 1 - 5 in the textbook, Page 385.
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E. Accommodations (Differentiated Instruction)-
1.Extra practice sheet for students who find this easy.
2.Encourage students to think of patterning strategies.
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F. Checking for understanding-
1.Ongoing Observations
2.Completing 5 questions.
3.Assessment Focus Questions (some students can use graphic organizer) |
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G. Closure-
1.Taking it further.
2.Questions 8 and 9 on page 386. |
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