Grade 6 Mathematics · Unit 3: Ratios & RatesStandard 6.AT.1

Lesson 3.13.1 Small Group · Group 2

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

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Learning target I can write and describe a ratio that compares two quantities, explain what each part stands for, and build one for a situation I have not seen before.

Remember3.1 Small Group · Group 2

The numbers in a ratio count equal parts, so we can find the size of one part and then each amount. A ratio tells how many equal parts each amount gets. We can use the parts to split a total.

Words: Ratio (Razón)Comparison (Comparación)Part-to-part (Parte a parte)Part-to-whole (Parte a todo)Colon notation (Notación con dos puntos)

  1. 1Complete each step, then write the final answer.
    BoysGirlsStudents________________

    The ratio of boys to girls in a club is 2:3. There are 30 students in the club. How many girls are in the club?

    Show your work
    Final answer:
  2. 2Complete each step, then write the final answer.
    Lemon juice (cups)Water (cups)Punch (cups)________________

    A punch uses 1 cup of lemon juice for every 4 cups of water. Tom makes 30 cups of punch. How many cups of water does he use?

    Show your work
    Final answer:
  3. 3Complete each step, then write the final answer.
    Club A ($)Club B ($)Total ($)________________

    Ms. Lee splits $56 between two clubs in a ratio of 3:4. How much money does the larger share get?

    Show your work
    Final answer:
  4. 4Complete each step, then write the final answer.
    GirlsBoysMore boysMembers________________

    In a club, the ratio of girls to boys is 3:4. There are 6 more boys than girls. How many members are in the club?

    Show your work
    Final answer:

Explain your thinkingKai says a 3:2 ratio of juice to water means there are 3 cups of juice. When is he right, and when is he wrong?

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