Lessons 11–12: Ratios of Fractions and Their Unit Rates

Essential Question: Can we find unit rates in relationships involving fractions?

7.RP.2c

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Multiplying Mixed Numbers

7.1.12.Warmup

 

 

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T S.45 Example 1: Who is Faster? (Table, Equation)

7.1.11.Exa1


S S.46-47 Exercises 1-3

7.1.11.Exe17.1.11.Exe27.1.11.Exe3

 

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7.1.11.Summary

 

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S S.48

 

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7.1.11.Exit

 

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Essential Question: How do we compute unit rates associated with ratios of fractions in the context of measured quantities.

7.RP.2c

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Dividing Fractions

7.1.12.Warmup

 

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7.1.12.Intro

Review

  • Inches per foot: how many inches is 5 foot 7 inches?
  • How do we fins the area of a room?

T S.49 Planning

7.1.12.Plan

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Do You Have Enough Money? (Partner)

  • Using your plans, work together to determine how much money you will need to complete the project and if you have enough money.

 

 

 

 

 

  • Do you have enough money?
  • How many tiles do you need?
  • How did you use the unit rate given as 4\frac{2}{3} ?

 

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S.50 Exercise

7.1.12.Exe1


 

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S S.51

 

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If 3⁄4 lb. of candy cost $20.50, how much would 1 lb. of candy cost?

 

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