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

Lesson 4.44.4 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 find the percent of a number using an equation or a model — one step at a time, with support.

Remember4.4 Small Group · Group 1

In a ratio table, 100% matches the whole. Whatever you do to the percent, do the same to the whole to find the part. To find a percent of a number, put 100% and the whole in a ratio table. Then scale to your percent.

Words: Percent (Porcentaje)Base (Base)Part (Parte)Equation (Ecuación)Discount (Descuento)

  1. 1Complete each step, then write the final answer.
    Percent (%)Tickets________________

    A game costs 50 tickets. It is 20% off. How many tickets do you save?

    Show your work

    Hint Put 100% and 50 in the first column. What do you divide 100 by to get 20?

    Final answer:
  2. 2Complete each step, then write the final answer.
    Percent (%)Number________________

    Find 20% of 35.

    Show your work

    Hint Put 100% and 35 in the first column. What do you divide 100 by to get 20?

    Final answer:
  3. 3Complete each step, then write the final answer.
    Percent (%)Seats________________

    A bus has 48 seats. 25% of the seats are empty. How many seats are empty?

    Show your work

    Hint Put 100% and 48 in the first column. What do you divide 100 by to get 25?

    Final answer:
  4. 4Complete each step, then write the final answer.
    Percent (%)Tickets________________________
    30% off means you pay 70%.

    A game prize costs 90 tickets. Today it is 30% off. How many tickets do you pay now?

    Show your work

    Hint 30% off means you pay 100% − 30% = 70%. Put 100% and 90 in the first column. Find 10% first.

    Final answer:

Explain your thinkingTheo says 40% of 50 is 2,000. In a ratio table, 100% matches 50. How does that show his answer is too big?

Sentence starter 100% matches ___, so 40% must be ___. · In the table, I ___ both rows by the same number.

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