Harnessing the Power of Modeling Tasks through the Lens of a Math - PowerPoint PPT Presentation

Harnessing the Power of Modeling Tasks through the Lens of a Math Progression Graham Fletcher gfletchy@gmail.com @gfletchy www.gfletchy.com/shelton18

Broken Squares • Designate a shape keeper • 6 congruent squares • No shapes left over • Everyone is encouraged to OFFER. No one may TAKE. They may ACCEPT a puzzle piece to use if OFFERED. • NO TALKING

Procedural Conceptual Fluency Understanding Application http://www.corestandards.org/other-resources/key-shifts-in-mathematics/

Procedural Conceptual Fluency Understanding Application

Procedural Conceptual Fluency Understanding Application http://www.corestandards.org/other-resources/key-shifts-in-mathematics/

@RobertKaplinsky

The Condominium Problem In a particular condominium community 2/3 of all of the men are married to 3/5 of all of the women. What fraction of the entire condominium community are married?

3 students doing the solving and the sense making teacher showing a very conceptual approach top-down, rule oriented approach Instructor’s Manual for Elementary and Middle School Mathema7cs Teaching Developmentally Sixth Edi7on - John A. Van de Walle (Virginia Commonwealth University)

? 3 questions

1 Billion Circles

How long to draw 1 billion circles: ? • 100 circles : minute • 144,000 circles : day • 1,000,000,000 would take 6944 days • 19+ years with no sleep

Where does 1 billion go on the number line? 0 1 trillion

5 6 x 8

6 x 5 8

Use equivalent fractions as a strategy to add and subtract fractions. 5.NF.1 Add and subtract fractions and mixed numbers with unlike denominators by finding a common denominator and equivalent fractions to produce like denominators.

4 1 1 7 3 8 Pause I I

13 15 3 8

104 45 24 24

59 2 11 24 24

Subtracting Mixed Numbers with Regrouping C C S A C

Subtracting Mixed Numbers with Regrouping C Chubby C Crocodiles S Swim A Against C Current

Subtracting Mixed Numbers with Regrouping C Change mixed numbers to improper fractions C Cross multiply to find common denominators S Subtract only the numerators A ALWAYS simplify C Change improper fraction back to a mixed number

1 7 4 1 3 8 4 1 3

1 21 4 8 24 24 4 8 24

1 21 4 8 24 24 1 13 8 24 24 4 8 24

1 21 4 8 24 24 1 13 24 8 24 4 8 24

1 21 4 8 24 24 1 13 24 8 24 4 4 8 24

1 21 4 8 24 24 1 13 24 8 24 3 24 4 8 24 24

1 21 4 8 24 24 1 13 8 24 24 3 24 4 8 8 24 24 24

1 21 4 8 24 24 1 13 8 24 24 3 11 3 24 4 8 8 24 24 24 24

1 21 4 8 24 24 1 13 8 24 24 2 11 3 11 3 24 4 8 8 24 24 24 24 24

Today’s Goals • Understand the structure of 3-act task and see how they fit into the scope and sequence of a unit. • Explore the importance of progressional understanding and how a good task can be used as formative assessment. • Numbers and Operations in Fractions • Understand the importance of an effective closing and the role it plays in deciding our next move.

How many orange wedges are in the bowl? Estimate

? How many orange wedges are in the bowl? What information do you need to know?

Each orange wedges is a quarter.

Graham had 5 oranges and cut them into quarters. How many orange wedges did Graham have?

3-Act Tasks Act 1: • Real world problem or scenario presented • What do you notice? What do you wonder? • Make estimates Act 2: • Identify missing variables and missing variables to solve • Define solution path using variables Act 3: • Solve and interpret results of the solution • Validate answer

Most asked questions: • How often should we use 3-Act Tasks? How do they fit into the scope of a unit? • How long does one task usually take? • What if we don’t have the time?

MTMS: Vol. 14, No. 9, May 2009-5 Prac7ces for Orchestra7ng Produc7ve Mathema7cs Discussions

5 The practices are: 1. Anticipating student responses to challenging mathematical tasks; 2. Monitoring students’ work on and engagement with the tasks; 3. Selecting particular students to present their mathematical work; 4. Sequencing the student responses that will be displayed in a specific order and; 5. C onnecting different students’ responses and connecting the responses to key mathematical ideas. MTMS: Vol. 14, No. 9, May 2009-5 Prac7ces for Orchestra7ng Produc7ve Mathema7cs Discussions

? 5 oranges Each wedge is a quarter

5 The practices are: 1. Anticipating student responses to challenging mathematical tasks; 2. Monitoring students’ work on and engagement with the tasks; 3. Selecting particular students to present their mathematical work; 4. Sequencing the student responses that will be displayed in a specific order and; 5. C onnecting different students’ responses and connecting the responses to key mathematical ideas. MTMS: Vol. 14, No. 9, May 2009-5 Prac7ces for Orchestra7ng Produc7ve Mathema7cs Discussions

1b-Counting Up 1a-Counting Up

2b-Skip Counting 2a-Skip Counting 1b-Counting Up 1-Counting Up

2b-Skip Counting 3a-Multiplicative 2a-Skip Counting 3b-Multiplicative 1b-Counting Up 1-Counting Up

Group 1 Group 3 Group 2

Unit Fractions

Tangram Challenge 4 1 16 16 4 2 16 16 1 16 2 2 16 16

Representation of a Fraction 1 unit fraction — a

Say this fraction 3 4

Say this fraction 3 4 three one-fourths

3 = 1 + 1 + 1

3 = 1 + 1 + 1 3 1 1 1 = + + 4 4 4 4

What’s the Sum?

random dice roller

Open Middle Directions: Using the whole numbers 1-9 no more than one time each, create and place 4 fractions on the number line in the correct order. A is less than 2. Fractions B, C, and D equal 2. B C D = = A 2

Open Middle CCSS.MATH.CONTENT.4.NF.A.2 Directions: Using the whole numbers 1-9 once each, create and place 4 fractions greater than 1 on the number line in the correct order. (fractions B & C are equal) D A B C

Equivalent Fractions

E q ual F raction 2 3 = = 3 4 2 = 6

Harnessing the Power of Modeling Tasks through the Lens of a Math - PowerPoint PPT Presentation

Harnessing the Power of Modeling Tasks through the Lens of a Math Progression Graham Fletcher gfletchy@gmail.com @gfletchy www.gfletchy.com/shelton18 Broken Squares Designate a shape keeper 6 congruent squares No

Harnessing the Power of Modeling Tasks Through the Lens of a Math Progression Graham Fletcher

Harnessing the Power of Modeling Tasks through the Lens of a Math Progression Graham Fletcher

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