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Published byHadian Kartawijaya Modified over 5 years ago
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7.RP.2: Recognize and represent proportional relationships between quantities.
7.RP.2b: Identify the constant proportionality (unit rate) in tables, graphs, equations, diagrams, and verbal descriptions of proportional relationships. I can find unit rates at least at 80% proficiency.
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Vocabulary Rate: A ratio that compares to quantities with different kinds of units. Unit Rate: when a rate is simplified so that the denominator is 1.
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b. 220 πππππ 8 πππππππ = 220 8 =220Γ·8= 27.5 1 =27.5 πππ
a. $300 6 βππ’ππ = =300Γ·6= =$50/βπ b πππππ 8 πππππππ = =220Γ·8= =27.5 πππ Do: Page 13 #1 β 4
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ππ βπ = =60ππβ ππ’π π‘. πππ¦π = =152πππ π π ππ = =3.5πππ $ πππ = =$1.48/ππ
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$2.12 for 4 $2.12 4 = $2.12 Γ· 4 = $0.53 per pack Do page 13 #5
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$ πππππ = =0.4825β$0.48/ππππ
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Nutty $2.19 12 ππ§ =$0.1825/oz. Grandmaβs = $2.79 18 ππ§ = $0.155/oz.
Beeβs = $ ππ§ = $0.1675/oz. Save βA-Lot = $ ππ§ = $0.165/oz. Do Page 13 #6
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π π = =1.23π/π π π = =1.66π/π π π = =1.78π/π
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Do Page 13 #7 β 8
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153 3 = 51π€ π Γ10πππ 510 π€ππππ =$2.49/π¦πΓ2π¦ππ $4.98
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Quick Check Rates Class work Page 13 #9-21
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