Components of Number Sense Overview Unit 4 8.8.13.
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Transcript of Components of Number Sense Overview Unit 4 8.8.13.
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Components of Number Sense Overview
Unit 4
8.8.13
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What’s the “Big Idea”?
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NumerationNumeration
Quantity/Quantity/
MagnitudeMagnitude
Base TenBase Ten
EqualityEqualityForm of a Form of a NumberNumber
Proportional Proportional
ReasoningReasoning
Algebraic and Geometric Thinking
Language
The Components of Number Sense
© 2007 Cain/Doggett/Faulkner/Hale/NCDPI
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Language and Math Language
• Is math-language language?
• How can we use some of what we do in reading instruction to improve our mathematics instruction?
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We have to teach math like we teach reading!
• How is math exactly like a mystery novel?
• Do we really try to see the BIG picture?
• How does our chapter in the novel fit the whole story?
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Two stories
• You have a dime (1/10 of a dollar) and seven nickels (7/20 of a dollar). – In fractional form show how much money
you have all together.
• Two team members record their 3-point shots as 1/10 and 7/20. – How did they do as a team?
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Trashketball
The Power to Understanding Percent, Fractions and Decimals
© 2006 Valerie N. Faulkner/Wake County Public School System
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Let’s Try It!
• Agreements– How far will the foul line be from the
basket?– Are backboards allowable?– What else?
• Demo with two players– How hot is their shot as a team?– Representing their stats
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Trashketball Procedures
• Team members rotate shots.• After you shoot, you record your result. • Return to end of line for your next shot• Team Members stay positive with team members:
“Nice shot!” “Nice try.” “You’re getting better.” “We’re doing great.”
• Stay humble with other teams: “Great percentage!”, “Thanks”.
• In teams of four, play Trashketball.
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Trashketball StatsGroup Name _____________Group Members: (1) _______, (2)_______, (3) _______, (4) _______
Shots taken: Make or Miss:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
Total made/Total taken _______/20 Decimal _____ Percentage_____
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What was our percent?
How do we determine this ratio?
___ / ___
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Trashketball StatsGroup Name _____________
Team Members: (1) ________, (2)________, (3) ________, (4) ________
1. Shots taken: Make or Miss:
1 2 3 4 5 6 7 8Total made/Total taken _______5/8 Decimal _____ Percentage_____
2. Shots taken: Make or Miss:
1 2 3 4 5 6 7 8 9 10 11 12 13 14Total made/Total taken _______7/14 Decimal _____ Percentage_____
3. Shots taken: Make or Miss:
1 2 3 4 5 6 7 8 9 10 11 Total made/Total taken _______7/11 Decimal _____ Percentage_____
4. Shots taken: Make or Miss:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 Total made/Total taken ______7/16 Decimal _____ Percentage_____
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___5/ 8 ___7/ 14
___7/ 11 ____7/ 16
PICTURE IT!
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Bobcats Stats!
A coach can choose any one player to shoot “technical fouls.”
If you were the assistant coach of the Bobcats and your team had to shoot technical fouls, who would you suggest to the head coach to shoot the foul shots and why?
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Bobcats Stats
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Trashketball Stats for Story TwoGroup Name _____________Group Members: (1) ________, (2)________, (3) ________, (4) ________
1. Shots taken: Make or Miss:
1 2 3 4 5 6 7 8 9 10 Total made/Total taken 1/10 Decimal ___.10__ Percentage__10%_
2. Shots taken: Make or Miss:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
Total made/Total taken 7/20 Decimal __.35___ Percentage_35%___
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Story Two
• A team has two team members – 3-point shots 1/10 and 7/20.
• How did the two of them perform as a team?
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How Did the Team Do Altogether?Story Two
How do we determine this ratio?
__8_ /_30_
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Story One
• You have a dime (1/10 of a dollar) and seven nickels (7/20 of a dollar).
• In fractional form show how much money you have all together.
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How Do We Represent the Money Problem Story One?
How do we determine this ratio?
_45_ /_100__
1 Dime
7 Nickels
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“Move it over two”or
Percentage and Decimal relationship using the Components of Number Sense
45% and .45
out of 100 out of 1
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What Do We Ask?
• Quantity/Magnitude
• Numeration
• Equality
• Base Ten
• Form of a Number
• Proportional Reasoning
• Algebraic and Geometric Thinking
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“Arithmetic in American Mathematics Education”
1. What are the steps for solving a mathematical problem in China?
2. What is the American equivalent to Lie Shi?3. Using 10 sticks model a figure and then talk
about the mathematical expressions that exist within the visual.
4. What are the key points that Ma makes in this article?
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NumerationNumeration
Quantity/Quantity/
MagnitudeMagnitude
Base TenBase Ten
EqualityEqualityForm of a Form of a NumberNumber
Proportional Proportional
ReasoningReasoning
Algebraic and Geometric Thinking
Language
The Components of Number Sense
© 2007 Cain/Doggett/Faulkner/Hale/NCDPI
![Page 25: Components of Number Sense Overview Unit 4 8.8.13.](https://reader035.fdocuments.net/reader035/viewer/2022062423/56649e3a5503460f94b2c1a9/html5/thumbnails/25.jpg)
Assignments from Units 3 and 4
• Due Day 3
• Required Reading: – “Subitizing” Doug Clements– Continue to read Knowing and Teaching
Elementary Mathematics Liping Ma