Post on 15-Dec-2015
Variables & PatternsChapter 2
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ExponentsFinding Patterns
VocabularySolving Problems
Writing equations
200
Variables & Patterns
Write a rule for this Pattern:
95, 85,75,65…..
Finding Patterns for $100
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Start with 95
and subtract 10
Repeatedly.
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Finding Patterns for $100
Finding Patterns for $200
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Write a rule for this Pattern:
3, 6, 12, 24, 48,….
Start with 3 and multiple by 2 repeatedly
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Finding a Pattern $200
Finding a Pattern $300
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Write a rule for this Pattern:
150, 120, 90, 60,…..
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Finding a Pattern $300
Start with 150 and subtract by 30 repeatedly.
Finding a Pattern $400
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Write an expression to describe the relationship in the following table:
n
2 12
4 24
6 36
8 48
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Finding a Pattern for $400
6n
Finding a Pattern $500
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n
125 25
110 22
95 19
80 16
Write an expression to describe the relationship in the following table:
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Finding a Pattern for $500
N ÷ 5
The perimeter of a rectangle is twice its length plus twice its width.
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P= 2L + 2W
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The number of students at RMS is 21 multiplied by the number of teachers.
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S=21T
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The number of CD’s Mike has is 3 times the number of CD’s Richard has plus 5.
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M = 3R + 5
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Writing Equations for $300
C = 15p - 11
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The number of chocolate chips in a cookie is 15 times the number of pecans less eleven.
Writing Equations for $400
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C = 15p - 11
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The number of feathers in a pillow is 7 more than 6 times the number of pillowcases minus one.
Writing Equations for $500
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F = 7 + 6(n-1)
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Writing Equations for $500
If it costs $5 to rent 4 videos, what is the rental cost for 16 videos?
Solving Word Problems $100
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$20.00
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Solving Word Problems $100
A shirt that costs $40 is on sale at 25% off. What is the sale price?
Solving Word Problems for $200
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$30.00
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Solving Word Problems $200
Solving Word Problems for $300
Clara Net is going to cover her rectangular table with fabric. The table has a width of 2.5 feet and length of 6 feet. How much fabric will she need to cover the table?
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About 21 feet
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Solving Word Problems $300
Solving Word Problems for $400
If there are 622 students attending Barney Middle School and there are 249 girls, how many of the students are boys?
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there are 373 boys
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Solving Word Problems $400
If Blockbuster rents videos for $3 each, how many videos can Jeffery rent if he has $54?
Solving Word Problems for $500
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18 videos
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Solving Word Problems $500
Vocabulary for $100
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A mathematical sentence that contains an equal sign
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Vocabulary for $100
Equation
Vocabulary for $200
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Each number in a number pattern
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Vocabulary for $200
Term
Vocabulary for $300
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A symbol that stands for an Unknown number
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Vocabulary for $300
Variable
Vocabulary for $400
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100c + 45 = 45 + 100c
Is an example of this property
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Vocabulary for $400
Commutative Property
Vocabulary for $500
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Identify the 5 in the following equation:
5x + 2 = 27
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Vocabulary for $500
Coefficient
Exponents for $100
Evaluate the following exponents:
26
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64
Exponents for $100
Evaluate the following exponents:32 + 42
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Exponents for $200
25
Exponents for $300
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Evaluate the following exponents:
21 +32 +23
19
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Exponents for $300
Use PEMDAS to evaluate the expression:
(9+12)+ (33)
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37
Exponents for $400
Use PEMDAS to evaluate the expression:
21+(52-42)-3(6)
Exponents for $500
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Exponents for $500
12