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RCN Lesson 17: Multi-step Measurement Problems with Fractions

Last updated over 2 years ago
12 questions
Develop Understanding
Today's Learning Goal: (G4, U5, L13)
  • Solve multi-step problems that involve multiplicative comparison and measurement with whole numbers and fractions
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: Some Number Times a Fraction - (5 min)

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Launch: - (7min)

I'll model

We'll Try

You Try!

Activity 1:Info Gap: Noah's School Day - (10 min)

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Noah's morning routine or his bedtime routine?

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Noah's sports practice or his homework and reading time?

Activity 2: Info Gap: Noah's School Day (Part II) - (15 min)

In groups of 2.

A script for Info Gap:

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Noah says, “I spend 6 times as many hours at school as I do with my family.” Is Noah’s statement true? How do you know?

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On a school day, Noah spends 90 minutes with his family. On a weekend day, he spends much more time with his family. Does Noah spend more or less than 4 hours with his family on a weekend day?

Activity 3: Shopping List - (15 min)



Here are six ingredients that a shopper bought and some clues about each quantity.
The items are listed in order of weight, from least to greatest.
  • The heaviest item weighs 4 times the weight of tofu.
  • One ingredient weighs 1/2 pound.
  • The item that weighs 10 pounds is 10 times the weight of shrimp.
  • The carrots are 3 times as heavy as the shrimp.
  • The carrots are 2 times as heavy as the tapioca flour.
  • Brown rice weighs 20 times as much as the weight of noodles.
Use the clues to find out the weight of each ingredient in both pounds and ounces
(spanish)
 Aquí hay seis ingredientes que compró un comprador y algunas pistas sobre cada cantidad.

Los artículos se enumeran en orden de peso, de menor a mayor.

El artículo más pesado pesa 4 veces el peso del tofu.

Un ingrediente pesa una libra.

El artículo que pesa 10 libras es 10 veces el peso de los camarones.

Las zanahorias son 3 veces más pesadas que los camarones.

Las zanahorias son 2 veces más pesadas que la harina de tapioca.

El arroz integral pesa 20 veces más que el peso de los fideos.

Usa las pistas para averiguar el peso de cada ingrediente tanto en libras como en onzas.
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Complete the Table

Lesson Synthesis - (5 min)

Today we solved measurement problems in which not all of the necessary information was provided.

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How was that experience different from other problem-solving experiences you had so far?

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What did you find interesting? What did you find challenging?

Cool Down: Oatmeal Raisin Cookies - (5 min)

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Priya needs oats and raisins to make cookies. She needs 3 pounds of oats. That amount is 4 times as much as the amount of raisins that she needs.

How many ounces of raisins does she need? Explain or show your reasoning

Closure Questions:

  • What do you find difficult when solving word problems?
  • Do you use C.U.B.E.S to solve and check your answer?
  • Decimals and Fractions are what?