Grade 6 Mathematics · Unit 2: Understanding the World Around Us Through StatisticsStandard 6.NOS.3

Lesson 2.72.7 Small Group · Group 2

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

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Learning target I can divide with decimals by making the divisor a whole number first, explain why the method works, and use it on a problem I have not seen before.

Remember2.7 Small Group · Group 2

Moving both points the same number of places multiplies both numbers by the same power of 10, so the quotient never changes. Move both points the same number of places. You may need to write zeros, or put a point in the quotient.

Words: Dividend (Dividendo)Divisor (Divisor)Quotient (Cociente)Decimal Division Algorithm (Algoritmo de división decimal)Equivalent division (División equivalente)

Part 1Practice the skill
  1. 1Complete each step, then write the final answer.

    Find 2.8 ÷ 0.35.

    Show your work
    Final answer:
  2. 2Complete each step, then write the final answer.

    Find 0.162 ÷ 0.045.

    Show your work
    Final answer:
Part 2Apply it
  1. 3Complete each step, then write the final answer.

    A board is 4.5 meters long. Each piece is 0.15 meter long. How many pieces can you cut?

    Show your work
    Final answer:
  2. 4Complete each step, then write the final answer.

    A roll has 12.6 meters of tape. Each strip uses 0.45 meter. How many strips can you cut?

    Show your work
    Final answer:

Explain your thinkingKim says moving the points changes the problem. Is 5.4 ÷ 0.36 really the same as 540 ÷ 36? Defend your answer.

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