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

Lesson 2.122.12 Small Group · Group 2

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

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Learning target I can multiply decimals and place the decimal point correctly in the product, explain why the method works, and use it on a problem I have not seen before.

Remember2.12 Small Group · Group 2

Count the decimal places in both factors, write zeros in front if you need them, and check that the product has a sensible size. Sometimes the product has too few digits. Write zeros in front so it has enough decimal places.

Words: Product (Producto)Decimal point (Punto decimal)Estimate (Estimar)Place value (Valor posicional)Decimal places (Cifras decimales)

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

    Find 0.4 × 0.03.

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

    Ben says 0.6 × 0.5 = 3. Find the correct product.

    Show your work
    Final answer:
  2. 3Complete each step, then write the final answer.
    Minutes12.4Meters0.15?× ?× ?

    A snail moves 0.15 meter each minute. How far does it move in 2.4 minutes?

    Show your work
    Final answer:
  3. 4Complete each step, then write the final answer.

    36 × 14 is 504. Use this fact to find 0.036 × 1.4.

    Show your work
    Final answer:

Explain your thinkingIs the product of two decimals always less than both factors? Use 0.3 × 0.02 and 2.5 × 0.6 to explain.

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