practicing the practices: no luck requirednhmathteachers.org/resources/documents/atmne spring... ·...
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Practicing the Practices:
No Luck Required
Christine LatulippeNorwich University
NHTMMarch 17, 2014
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Common Core Standards for Mathematical Practice
1. Make sense of problems and persevere in solving them.2. Reason abstractly and quantitatively .3. Construct viable arguments and critique the reasoning of
others.4. Model with mathematics.5. Use appropriate tools strategically.6. Attend to precision.7. Look for and make use of structure.8. Look for and express regularity in repeated reasoning.
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Mini Book• Stack 4 strips of construction paper.• Slide them the “long way” so that their ends overlap
with a gap of ½” – 1”.• Place a large paperclip at about 1/3 and 2/3 of the
length of your fanned strips.• Fold the strips in half (a “hamburger fold”) and pinch
the midpoint (do not fold completely).• Cut your fanned strips in half along your crease– you
may wish to create a tab, curve, or jagged edge.• Unclip each half and align the straight ends.• Staple. You have created 2 books.
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Possible Mini Book Uses…
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Below that: Sketch or describe two images that come to your mind when you think about mathematics.
“ When I think about mathematics I see…”
Cover/Page 1: Your Name and School
Mini Book
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Then and Now…A Matching Game
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What 3 things are you already doing well to support and promote the Standards for Mathematical Practice?
What 2 things excite you about the Standards for Mathematical Practice?
What 1 thing about the Standards for Mathematical Practice do you find to be daunting/overwhelming?
Page 2Mini Book
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Math Break
How many squares of any size are
there on a standard 8 square by
8 square checkerboard?
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Common Core Standards for Mathematical Practice
1. Make sense of problems and persevere in solving them.2. Reason abstractly and quantitatively .3. Construct viable arguments and critique the reasoning of
others.4. Model with mathematics.5. Use appropriate tools strategically.6. Attend to precision.7. Look for and make use of structure.8. Look for and express regularity in repeated reasoning.
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Bloom’s Revised Taxonomy
ww2.odu.edu/educ/roverbau/Bloom/blooms_taxonomy.htm
http://morethanenglish.edublogs.org/files/2011/09/Bloom‐Wheel‐Deal‐Poster‐pvjz5c.pdf
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Standards for Mathematical Practice…A Closer Look
• Highlight the verbs/verb phrases in the Mathematical Practice
• What does it look like/sound like?• What level of thinking does this Practice require?
• How might you rewrite it to be “kid‐friendly”?• How might you share this expectation with your students?
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Bill McCallum, University of Arizonahttp://commoncoretools.me/wp‐content/uploads/2011/03/practices.pdf
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allthingscommoncore.com/content/resources
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What is This Thing?
Mini Book Page 3
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Myth about Mathematics Assessment
• There is almost always a single right answer to a mathematics problem.
Reply: “Problems with single correct answers seldom occur outside of school” (p. 5)
NCTM, 1991. Mathematics Assessment: Myths, Models, Good Questions, and Practical Suggestions.
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“Closed Task”• A forensic scientist can calculate the height of a murder
victim from the lengths of certain bones – the femur, the tibia, the humerus, and the radius.
• Here are the formulas used if the length of the femur is knownMale:Female:
Where h is the height in centimeters and F is the length of the femur in centimeters.
a. Find the height of a female victim whose femur is 40 centimeters.
b. Find the height of a male victim whose femur is 49 centimeters.
Fh 317.2412.61
Fh 238.2089.69
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“Open Task”• A forensic scientist wants to calculate the height of a
murder victim from the length of a victim’s femur (thigh bone). Over the years the scientist has compiled data about deceased males and females.
• The scientist would like you to use the provided data and estimate the height of a male with femur length 49 cm. and the height of a female with femur length 44 cm.
NCTM, 2000. Mathematics Assessment: A Practical Handbook for Grades 9-12.
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“Closed Tasks”1. Donald priced six personal Compact Disc (CD) players. The prices are shown
below. $21.00, $23.00, $21.00, $39.00, $25.00, $31.00
What is the median price?A $21.00 B $24.00 C $27.00 D $30.00
2. The box below shows the number of kilowatt-hours of electricity used last month at each of the houses on Harris Street.
620, 570, 570, 590, 560, 640, 590, 590, 580What is the mode of these data?A 560 B 580 C 590 D 640
3. Rico’s first three test scores in biology were 65, 90, and 73. What was his mean score?
A 65 B 73 C 76 D 90
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NCTM, 2000. Mathematics Assessment: A Practical Handbook for Grades 6-8.
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“Closed Tasks”1. What is the volume of the shoebox shown above in cubic inches ( in3)? A 29 B 75 C 510 D 675
2. Gina is painting the rectangular tool chest shown in the diagram below. If Gina paints only the outside of the tool chest, what is the total surface area, in square inches (in2), she will paint?A 368 B 648 C 1296 D 2880
3. The short stairway shown below is made of solid concrete. The height and width of each step is 10 inches (in.). The length is 20 inches.
What is the volume, in cubic inches, of the concrete used to create this stairway?A. 3000 B. 4000C. 6000 D. 8000
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NCTM, 2000. Mathematics Assessment: A Practical Handbook for Grades 9-12.
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“Most teachers waste their time by asking questions that are intended to discover what a pupil does not know, whereas the true art of questioning is to discover what the pupil does know or is capable of knowing.”
—Albert Einstein Quoted by Moszkowski in Conversations with Einstein (1920) p. 65
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Write a one sentence summary of the Standards for Mathematical Practice and your learning this afternoon.
Q Bonus: Write your summary as a haiku
Mini BookPage 4
Something new to learnSMP, a way to think
Thank you for your time