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RCN Lesson 18: Order Decimals/Fractions and Equivalence

Last updated over 2 years ago
23 questions
Develop Understanding
Today's Learning Goal: (G4,U4, L2,L5)
  • Round decimals to different place values and order them.
Today's Materials:
  • Laptop
  • Laptop charger
  • Pen/Pencil/Paper (optional)
Please complete the Jump Start (activator). You have 5 minutes before we review. This is independent it should be silent.
Reminders:
1. Ready for class
2. No cellphones
3. Volume must be low.
4. Read and follow all directions
5.) Take your bag off and immediately begin the Activator.

Jump Start: True or False - (5 min)

Decide whether each statement is true or false. Be prepared to explain your reasoning.
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Launch - (7 min)

I'll Model question 5

We Try

You Try!

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Select all the numbers equivalent to

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Order the numbers from least to greatest

  3. 1.25
  5. 1.46

Activity 1: Card Sort Diagrams of Fractions and Decimals - ( 15 min)

In groups 2-4, Sort the set of cards by their values.
One diagram has no matching cards. Write the fraction and decimal it represents.
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What are the sorted groups?
(Hint 4 groups with1 left over)

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One of the diagrams has no matching fraction or decimal. What fraction and decimal does it represent?

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Is 0.2 and 0.20 equivalent?( Explain by using a diagram or fraction)

Activity 2: Order Once, Order Twice - (20 min)


Given the set below:
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Work with your group to order the numbers from least to greatest from SET A. Record your ordered numbers below:

  1. 1.06
  2. 2.6
  5. 0.96
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Work with your group to order the numbers from least to greatest from SET B. Record your ordered numbers.

  2. 2.40
  4. 1
  5. 2.04
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Create two true comparison statements using the symbols <, >, =

Activity 3:True or Not True-(20min)


For the following statements below answer True or False. If the statement is false, make it so its true.
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Lesson Synthesis - (10 min)

Today we compared tenths and hundredths written as both fractions and decimals and we looked at different ways to represent decimals that are equivalent. We used models and fractions to show that two decimals can represent the same value.
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Suppose a classmate is absent today. How would you convince them that 0.3 and 0.30 are equivalent? Write down at least one different way.

Cool Down: Order Up - ( 5 min )

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Order the numbers from least to greatest:

  3. 2.92
  4. 3.2
  5. 3.09
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Use two numbers from your ordered set and the symbols <, >, or = to write a true comparison statement.

Closure Questions:

  • Fractions and Decimals are what?
  • is 3/4 = 0.75 are what?
  • Name a scenario where decimals are used?