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Rigor Breakdown. Part 3: Application Grades 3–5. Session Objectives. Examine the application component of rigor in G3—M5 and related content from grades 4 and 5. Explore a deep understanding of modeling and its application in the standards.

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Rigor breakdown

Rigor Breakdown

Part 3: Application

Grades 3–5


Session objectives

Session Objectives

  • Examine the application component of rigor in G3—M5 and related content from grades 4 and 5.

  • Explore a deep understanding of modeling and its application in the standards.

  • Experience how proficiency in the tape diagram method can be developed in students and colleagues.

  • Experience writing word problems that are well suited to the tape diagram.


Application revisited

Application Revisited

“Students are expected to use math and choose the appropriate concept for application even when they are not prompted to do so. Teachers provide opportunities at all grade levels for students to apply math concepts in “real world” situations. Teachers in content areas outside of math, particularly science, ensure that students are using math – at all grade levels – to make meaning of and access content.”  (excerpt from the Shifts)


Agenda

AGENDA

Application in G3—M5

Modeling in the Standards

Building Proficiency with Tape Diagrams

Writing Word Problems and Real-World Problems


Application in the pk 5 standards

Application in the PK–5 Standards

  • PK–5 Standards call for application in 3 ways:

  • Word Problems

  • Real-World Problems

  • Modeling


Video clip g3 m5 application

Video Clip: G3—M5 Application

  • Reflection

    • How does this lesson challenge students to use what they know about fractions?


Video clip g3 m5 application1

Video Clip: G3—M5 Application


Video clip g3 m5 application2

Video Clip: G3—M5 Application

  • Reflection

    • How does this lesson challenge students to use what they know about fractions?


Application in g3 m5

Application in G3—M5

Look through the application section of the lessons in G3—M5. What model(s) other than rectangular regions are being used to facilitate students understanding of fractions?


Key points application in g3 m5

Key Points – Application in G3—M5

  • Application is called for in the PK–5 standards in three distinct ways: word problems, real-world problems, and modeling.

  • Each of these areas of application can be used to coherently bridge gaps in prerequisite knowledge.

  • Many activities that promote application, also address the Standards of Mathematical Practice.


Agenda1

AGENDA

Application in G3—M5

Modeling in the Standards

Building Proficiency with Tape Diagrams

Writing Word Problems and Real-World Problems


Modeling a closer look

Modeling – A Closer Look

  • Think of an example of modeling that you would share with a colleague who wanted to better understand modeling in the context of a math curriculum.


Modeling a closer look1

Modeling – A Closer Look

  • Descriptive modeling – using concrete materials or pictorial displays to study quantitative relationships

  • Analytic modeling – using graphical representations, equations, or statistical representations to provide analysis, revealing additional insights to the relationships between variables.

  • - See CCLS for Mathematics p. 55-56


Descriptive modeling

Descriptive Modeling

  • PK-K: Modeling their environment / real world objects using geometric shapes and figures

  • K-1: Modeling forms of addition and subtraction situations using concrete materials or diagrams

  • 2-5: Place value models, multiplication models (equal groups, array, area), visual fraction models, and number line models.

  • 6-12: Tables or graphs of observations, geometrical and/or 3-D models of real world objects.


Analytic modeling

Analytic Modeling

  • 4-7: Use tape diagrams and/or equations to model relationships between two or more quantities.

  • 6-12: Use equations and/or functions to model relationships between two or more variables.

  • 9-12: Use probability models and statistical representations to analyze chance processes.


Modeling a closer look2

Modeling – A Closer Look

  • Summarize with a partner what the key difference is between descriptive and analytic modeling.

  • The key difference lies in whether the modeling simply facilitates informative visualization, or allows for new and deeper analysis.


The modeling process g9 12 and beyond

The Modeling Process: G9–12 and Beyond

Choose variables to represent essential features.

Formulate the model (e.g., create the equations).

Analyze the model (the relationships depicted) to draw conclusions.

Interpret the results in terms of the original situation.

Validate the conclusions by comparing them to the situation, then either improve model and repeat.

Report the results incl. assumptions, approx. made.


Modeling a closer look3

Modeling – A Closer Look

  • How does knowledge of the modeling cycle and expectations for high school students inform our approach to modeling in grades PK–5?


Key points modeling in the standards

Key Points – Modeling in the Standards

  • Application is the students’ ability to use relevant conceptual understandings and appropriate strategies and tools even when not prompted to do so.

  • Modeling can be descriptive, using concrete materials or pictorial displays to study quantitative relationships, or analytical, using equations or statistical representations to provide analysis of the relationships between variables (quantities).

  • A curriculum rich in application, including modeling, provides coherence from PK–12 and beyond, to college and career.


Agenda2

AGENDA

Application in G3—M5

Modeling in the Standards

Building Proficiency with Tape Diagrams

Writing Word Problems and Real-World Problems


Using tape diagrams

Using Tape Diagrams

  • Promote perseverance in reasoning through problems.

  • Develop students’ independence in asking themselves:

    • “Can I draw something?”

    • “What can I label?”

    • “What do I see?”

    • “What can I learn from my drawing?”


Forms of the tape diagram

Forms of the Tape Diagram

8

?

5

5

8

?


Foundations for tape diagrams in pk 1

Foundations for Tape Diagrams in PK–1


Rigor breakdown

Example 1: Sara has 5 stamps. Mark brings her 4 more stamps. How many stamps does Sara have now?


Rigor breakdown

Example 2: Sara has 16 stamps. Mark brings her 4 more stamps. How many stamps does Sara have now?


Rigor breakdown

Example 3: Sara brought 4 apples to school. After Mark brings her some more apples, she has 9 apples altogether. How many apples did Mark bring her?


Rigor breakdown

Example 4: Matteo has 5 toy cars. Josiah has 2 more than Matteo. How many toy cars do Matteo and Josiah have altogether?


Rigor breakdown

Example 5: Jasmine had 328 gumballs. Then, she gave 132 gumballs to her friend. How many gumballs does Jasmine have now?


Rigor breakdown

Example 6: Jose has 4 paper clips. Harry has twice as many paper clips as Jose. How many paper clips does Harry have?


Rigor breakdown

Example 7: Jose has 4 paper clips. Harry has twice as many paper clips as Jose. How many paper clips do they have altogether?


Rigor breakdown

Example 8: William’s weight is 40 kg. He is 4 times as heavy as his youngest brother Sean. What is Sean’s weight?


Rigor breakdown

Example 9: Jamal has 8 more marbles than Thomas. They have 20 marbles altogether. How many marbles does Thomas have?


Rigor breakdown

Example 10: The total weight of a football and 10 tennis balls is 1 kg. If the weight of each tennis ball is 60 g, find the weight of the football.


Rigor breakdown

Example 11: Two pears and a pineapple cost $2. Two pears and three pineapples cost $4.50. Find the cost of a pineapple.


Rigor breakdown

Example 12: David spent 2/5 of his money on a storybook. The storybook cost $20 how much did he have at first?


Rigor breakdown

Example 13: Alex bought some chairs. One third of them were red and one fourth of them were blue. The remaining chairs were yellow. What fraction of the chairs were yellow?


Rigor breakdown

Example 14: Jim had 360 stamps. He sold 1/3 of them on Monday and ¼ of the remainder on Tuesday. How many stamps did he sell on Tuesday?


Rigor breakdown

Example 15: Max spent 3/5 of his money in a shop and ¼ of the remainder in another shop. What fraction of his money was left? If he had $90 left, how much did he have at first?


Rigor breakdown

Example 16: Henry bought 280 blue and red paper cups. He used 1/3 of the blue ones and 1/2 of the red ones at a party. If he had an equal number of blue cups and red cups left, how many cups did he use altogether?


Rigor breakdown

Example 17: A club had 600 members. 60% of them were males. When 200 new members joined the club, the percentage of male members was reduced to 50%. How many of the new members were males?


Rigor breakdown

Example 18: The ratio of the length of Tom’s rope to the length of Jan’s rope was 3:1. The ratio of the length of Maxwell’s rope to the length of Jan’s rope was 4:1. If Tom, Maxwell and Jan have 80 feet of rope altogether, how many feet of rope does Tom have?


Writing word problems and real world problems

Writing Word Problems and Real-World Problems

  • Write a word problem or real-world problem aligned with one of the following standards:

  • 4.NF.3d, 5.NF.2, 5.NF.4a, or 5.NF.6

  • Exchange problems with a partner and solve using a visual fraction model.


Key points proficiency with tape diagrams

Key Points – Proficiency with Tape Diagrams

  • When building proficiency in tape diagraming skills start with simple accessible situations and add complexities one at a time.

  • Develop habits of mind in students to reflect on the size of bars relative to one another.

  • Part-whole models are more helpful when modeling situations where you are given information relative to a whole.

  • Compare to models are best when comparing quantities.


Agenda3

AGENDA

Application in G3—M5

Modeling in the Standards

Building Proficiency with Tape Diagrams

Writing Word Problems and Real-World Problems


Standards calling for word problems or story contexts

Standards Calling for Word Problems or Story Contexts

  • 4.NF.3d

  • 4.NF.4c

  • 5.NF.2

  • 5.NF.3

  • 5.NF.4a

  • 5.NF.6

  • 5.NF.7a

  • 5.NF.7c


5 nf 3

5.NF.3

  • There are 3 snack-size Hershey bars provided for 4 boys. If the boys insist that everyone gets the same share of candy, what fraction of a bar will each boy receive?


5 nf 31

5.NF.3

  • There are 3 snack-size Hershey bars provided for 4 boys. If the boys insist that everyone gets the same share of candy, what fraction of a bar will each boy receive?


Writing word problems and real world problems1

Writing Word Problems and Real-World Problems

  • 4.NF.3d

  • 4.NF.3d

  • 5.NF.2

  • 5.NF.4a

  • 5.NF.6


Key points writing word problems

Key Points – Writing Word Problems

  • Tape diagrams are well suited for problems that provide information relative to the whole or comparative information of two or more quantities.

  • Visual fraction models includes: tape diagrams, number line diagrams, and area models.

  • When designing a word problem that is well supported by a tape diagram, sketch the diagram for the problem before or as your write the problem itself.


Key points

Key Points

  • Use of tape diagrams, as described in the progressions documents provides visualization of relationships between quantities thereby promoting conceptual understanding, provides coherence through standards from Grade 1 through Grade 7, and supports standards for mathematical practice.

  • Proficiency in the tape diagram method can be developed in students and teachers new to the process through a natural development of problems and representations.

  • Content knowledge directed by the standards and the progressions is required to provide coherent and balanced instruction.


Next steps

Next Steps

  • How will you share your understanding of modeling with your colleagues?

  • How will you share your understanding of coherence through application with your colleagues?

  • How will your school address standards involving the use of tape diagrams with students new to the process?


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