Grade 6 Mathematics · Unit 4: Understand and Use PercentagesStandard 6.AT.4

Lesson 4.14.1 Small Group · Group 1

Group 1 · Set BSecond form · new problems, same idea

Mastery check☐ Exceeds☐ Meets target☐ Needs practice
Name Date Period

Learning target With my small group, I can explain a percent as a rate per 100, model it on a decimal grid or tape diagram, and interpret percents greater than 100% — one step at a time, with support.

Remember4.1 Small Group · Group 1

A percent tells how many out of 100. 100% is one whole, so a percent greater than 100% is more than one whole. Percent means per hundred. A percent tells how many out of 100.

Words: Percent (Porcentaje)Per hundred (Por cada cien)Decimal grid (Cuadrícula decimal)Part-to-whole (Parte a todo)Greater than 100% (Mayor que 100 %)

  1. 1Complete each step, then write the final answer.
    Chose pizzaStudents________________

    In a class vote, 7 out of every 10 students chose pizza. What percent of the students chose pizza?

    Show your work

    Hint Multiply both terms by 10 to get a ratio out of 100.

    Final answer:
  2. 2Complete each step, then write the final answer.
    Have a petStudents________________

    In a survey, 3 out of every 4 students have a pet. What percent of the students have a pet?

    Show your work

    Hint What do you multiply 4 by to get 100?

    Final answer:
  3. 3Complete each step, then write the final answer.
    Height now (cm)First height (cm)________________

    A plant was 20 cm tall. Now it is 30 cm tall. What percent of its first height is its height now?

    Show your work

    Hint The first height is the whole, or 100%. Multiply both heights by 5.

    Final answer:
  4. 4Complete each step, then write the final answer.
    Push-ups doneGoal (push-ups)________________

    A coach set a goal of 40 push-ups. Kim did 110 push-ups. What percent of the goal did Kim do?

    Show your work

    Hint Find the number that turns 40 into 100. It is not a whole number.

    Final answer:

Explain your thinkingAna read 9 out of 20 as 9%. Why must you scale to 100 first? What does 200% of a goal mean?

Sentence starter A percent tells how many out of ___. · 200% of a goal means ___ because ___.

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