Grade 6 Mathematics · Pre-UnitStandard 5.NBT.B.7

Lesson 1.31.3 Small Group · Group 2

Group 2 · Set BSecond challenge form · new problems, same idea

Mastery check☐ Exceeds☐ Meets target☐ Needs practice
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Learning target I can represent a real-world situation with a tape diagram or table and use decimal operations to solve it, explain what each part stands for, and build one for a situation I have not seen before.

Remember1.3 Small Group · Group 2

Divide to find how many equal groups there are, multiply to find the total time, and check that the answer fits the story. Use a table to find how many full trips fit in a time. Part of a trip does not count.

Words: representation (representación)tape diagram (diagrama de cintas)tool (herramienta)ordered pair (par ordenado)round trip (viaje de ida y vuelta)

  1. 1Complete each step, then write the final answer.
    Trips1?People60900Minutes7.5?× ?× ?

    A ferry carries 60 people on each trip. Each trip takes 7.5 minutes. How many minutes does it take to move 900 people?

    Show your work
    Final answer:
  2. 2Complete each step, then write the final answer.
    Round trips1?Minutes55420× ?× ?

    One round trip takes 55 minutes. How many full round trips fit in 7 hours?

    Show your work
    Final answer:
  3. 3Complete each step, then write the final answer.
    Songs1?Minutes3.560× ?× ?

    A song lasts 3.5 minutes. How many full songs can play in 1 hour?

    Show your work
    Final answer:
  4. 4Complete each step, then write the final answer.
    Rides1?Minutes12.5240People80?× ?× ?

    A tram carries 80 people on each ride. A ride takes 12.5 minutes. The tram runs for 4 hours. How many people can it move?

    Show your work
    Final answer:

Explain your thinkingWhen do you round the number of trips up, and when do you round down? Use the bus and the ferry.

How did it go? ☐ 4 · I can teach it☐ 3 · I've got it☐ 2 · I need a hint☐ 1 · I need help