Math & Science Conference East High School October 19, 2013 1.
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Transcript of Math & Science Conference East High School October 19, 2013 1.
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1
Math & Science Conference
East High School
October 19, 2013
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2
Goals for TodayInstructional Shifts
Math Practices
Problem Solving Recommendations
Performance Tasks
Vocabulary
Resources
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Instructional Shifts in Mathematics:
The Big Picture
3
Focus
Coherence
Rigor
Fluency
Deep Under-standing
Application
Equal Intensity
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Focus
4
2 – 4 topics focused on deeply in each grade
Fewer big ideas to be covered
Allows more time for students to understand the concepts
Strive for understanding not coverage
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Activity
5
Materials:
Chart Paper
Grade level Envelope
Markers/Highlighters
Glue Stick
1. Find the chart paper that corresponds to your grade/course
2. Glue the “clusters” by the corresponding instructional focus area
3. Identifya)Content similar to what you
teach now (Green)b)Content easily added
(Yellow)c) New content that will
require support (Red)
4. Note the content that you teach that is NOT identified by a “cluster”
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Coherence
Concepts logically connected form one grade to the next
Concepts linked to other major topics within each grade
Deeper learning decreases the need for re-teaching topics each year
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Algebra
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Shift 3: Rigor
• Conceptual
understanding• Application to real-world
situations• Fluency with arithmetic
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With equal intensity
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NAEP and SBAC
9
https://education.alaska.gov/tls/assessment/naep.html
Grade 8
Linear Algebra
NAEP
Grade 8
Linear Algebra
SBAC
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What is my rule?
______________
Hopnibs
11
0
3
90
15
8
11
Make Hopnibs out of these:
What is my rule?
______________
Make your own Hopnibs
All of these are Hopnibs:2 9 5 30
20 405 1 6
Adapted from O’Brien, T. (1980). Wollygoogles and other creatures. Cuisenaire Company.
All of these are Hopnibs:2 9 5 30
20 405 1 6
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Gather Information
Make a Plan
Anticipate possible solutions
Continuously evaluate process
Check resultsQuestion sense of solutions
Make sense of problems and persevere in solving them.
Mathematical Practice
Standard 1 Problem Solving StrategiesCreate DrawingsLook for patterns
Work backwardsConsider a simpler caseEstimate solution
Make a table, chart or list
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13
DecontextualizeRepresent a situation symbolically and manipulate the
symbols
ContextualizeMake meaning of the symbols in the problem
Sample Problem99 students need to go on a field trip. The busses can carry 44 students each. How many busses do they need?
Mathematical Problem
99 ÷ 44 = 2.25
Will need 3 busses.
Mathematical Practice
Standard 2Reason abstractly and quantitatively.
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Mathematical Practice
Standard 3Construct viable arguments and critique the reasoning of others.
Use assumptions, definitions and previous results
Make a conjecture
Build a logical progression of statements to explore conjecture
Analyze the situations by breaking them into cases
Recognize and use counter examples
Distinguish correct logic
Explain flaws
Ask clarifying questions
Communicate conclusions
Justify conclusions
Respond to arguments
Support an argumentCritique an argument
Create an argument
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Mathematical Practice
Standard 4Model with mathematics.
Everyday situations …reasoned using mathematical methods
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Mathematical Practice
Standard 5Use appropriate tools strategically.
Use available tools.
Use technological tools.
Estimate
Strengths?Weaknesses?
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Mathematical Practice
Standard 6Attend to precision.
Precision
Communication
Calculations
Symbols and labels
Precision in solutions
Significant figures
Explain results and reasoning
Accuracy and efficiency
∏ ∑ √cm2 m/sec
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Mathematical Practice
Standard 7Look for and make use of structure.
See complicated things as a single object or as being composed of several objects.
Shift Perspective
Patterns
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Mathematical Practice
Standard 8Look for and express regularity in repeated reasoning.
• See repeated calculations and look for generalizations
• Recognize reasonable solutions
• See the process – attend to details
• Understand the broader application of patterns
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The Feedback CarouselPart 1
1. Get a piece of chart paper and markers.
2. Identify the significant elements. Describe the meaning of your practice. Use color and creativity.
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Materials
Math Practices reference cards
Chart paper
Markers
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The Feedback CarouselPart 2
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Materials:
Post-It notes
Pen/pencil
1. N=the practice you worked on
2. N + 1= the practice you start with (practice 8 goes to practice 1)
3. Write feedback on a Post-It and place in in the appropriate quadrant.
4. Rotate through as many practices as time allows.
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Which Math Practices did
you use?
Talk with the people at your table.
Which mathematical practices did you use with this activity?
Table Talk
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Recommendations to Improve Problem
Solving
NCEE 2012-4055U.S. Department of Education
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Group Review
Groups of 2-3
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Prepare problems and use them in whole-class instruction.
Problem solving activitiesroutine non-routine
Address issues with context or vocabulary
Consider students’ prior knowledge
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Assist students in monitoring and reflecting on the problem-
solving process.
• Provide prompts to help students monitor and reflect. Samples
• Model how to monitor and reflect.
• Use student thinking to help students monitor and reflect.
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Teach students how to use visual representation.
Select appropriate visual representations Samples
Using visuals: think-alouds
Model how to change a visual representation into mathematical notation
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Expose students to multiple problem-solving strategies.
Teach a variety of strategies
Let students compare different strategies in worked examples
Generating and sharing multiple strategies
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Help students articulate mathematical concepts and
notation.Relate mathematics to problem solving
Student explanation
Algebraic problem solving29
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Mathematics Standards
31Understanding
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Performance TasksDemonstrate mastery
Organized approach using multiple strategies
Fosters self-checking
Explanation of mathematical reasoning
Utilizes Mathematical Practices 32
http://insidemathematics.org/index.php/exemplary-lessons-integrating-practice-standards
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Odd Numbers
33
Kate makes a pattern of squares.
She starts with one square, then adds three more, then five more, and so on.
1. Draw the next shape in her pattern.
2. How many new squares did she add?
3. What size square did you make?
1 x 1
2 x 2
3 x 3
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The total number of squares makes a number pattern. 1 = 1 x 1 = 1 1 +3 = 2 x 2 = 4 1 + 3 + 5 = 3 x 3 = 9
4. Write the next two lines of the number pattern.
5. Use the number pattern to find the total number of these numbers. 1 + 3 + 5 + 7 + 9 + 11 + 13 + 15 + 17 + 19 =_________
6. Write down the number pattern that gives a total of 169. Explain your work.
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Over the Hill
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http://www.nctm.org/uploadedFiles/Journals_and_Books/Books/FHSM/RSM-Task/RSM_OverTheHill.pdf
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3-Act-Math Tasks
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Grab their attention
Movie clip or picture
The story unfolds
Gather information
Resolution
Reveal the answer in a movie clip or
picture
Dan Meyer
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Sample Performance Task Outline
http://www.mathplayground.com/probability.html
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Create a Performance Task
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40
Start with an Idea
Real-world situations
High interest
Relevant
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Clarify the Task
41
Choose a product
Define the purpose and audience
Identify Content Standards and Mathematical Practices
Create clear expectations and goals
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Consider….
Low threshold- high ceiling tasks
Low entry pointFollow directionsExploration with optionsParticipants work randomly
Rich tasks
Starts with closed challengeOffers many routesCombines fluency with math reasoningParticipants invent questionsEncourages collaborationReveals patterns and generalizations
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Prepare for Success
43
Prepare questionsto assess knowledgeto help struggling students
Identify prerequisite skills necessary for success
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Assess Progress
44
Were the goals met?
Did the product reflect mastery?
Did the task work as intended?
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Math Vocabulary List
• From Marzano’s grade level list:
45
1 4 8 Algebra
Addend Bar graph Altitude Binary system
Chart Diameter Converse Divide radical expressions
Height Equivalent forms
Extrapolate Exponent
Line Obtuse angle Intercept Matrix
Place order Pictograph Predict Number subsystem
Sum Ratio Segment Polynomial division
tally transformation slope reciprocal
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Vocabulary
• Frayer Model • Word Map
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Vocabulary
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Vocabulary
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Riddles
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Activity 1. Groups of 3-4
2. Choose a vocabulary list
3. Write the words on Post-It notes
4. Remain silent
5. Organize the words into “natural” categories
a. Move the words notes as necessary
49
Materials
Vocabulary list
Post-It Notes
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Resources
50
Illustrative Mathematics
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52“perseverance plus passion”
Minkel, J. (2013, October 7). [Web log message]. Retrieved from http://blogs.edweek.org/teachers/teaching_for_triumph/2013/10/true_grit.html?cmp=ENL-TU-NEWS1
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What can you do right now?
53
• Attend to Focus• Incorporate the Math Practices• Vocabulary
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Contact Information
55
Deborah RiddleMath Content Specialist
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Routine Problems
• Solve 2y + 15 = 29
• Carlos has a cake recipe that calls for 2 ¾ cups of flour. He wants to make the recipe 3 times. How much flour does he need?
• Two vertices of a right triangle are located at (4,4) and (0,10). The area of the triangle is 12 square units. Find the point that works as the third vertex.
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Non-routine Questions
• There are 20 people in a room. Everybody high-fives with everybody else. How many high-fives occurred.
• In a leap year, what day and time are exactly in the middle of the year?
• Determine angle x without measuring. Explain.
57x
155º
110º
parallel
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Prompts and QuestionsQuestions
What is the problem about?
What do I know about the problem so far?
What are some ways I can approach the problem?
Does this solution make sense? I can I verify my
solution?
Why did these steps work or not work?
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Task ListIdentify the givens and goals
of the problem.
Identify the problem type.
Recall similar problems to helps solve this problem.
Use a visual to represent and solve the problem.
Solve the problem.
Check the problem.
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Visual Representations
Strip diagrams
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Eva spent 2/5 of the money she had on a coat and then spent 1/3 of what was left on a sweater. She had $150 remaining. How much did she start with?
2/5 on coat1/3 of what was left on a sweater
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Visual Representations
Schematic Diagram
60
John recently participated in a 5-mile run. He usually runs 2 miles in 30 minutes. Because of an ankle injury, John had to take a 5-minute break after every mile. At each break he drank 4 ounces of water. How much time did it take him to complete the five mile run.
15 15 15 15 15
5
Start End