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Unit 1  - Accuracy and 2D Geometry

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Statement of Inquiry

Geometry and trigonometry allow us to quantify the physical world, enhancing our spatial awareness in two and three dimensions. This branch provides us with the tools for analysis, measurement, and transformation of quantities, movements, relationships.

Concepts

Quantity,
Space

Quantity:
An amount or number.
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Space:
The frame of geometrical dimensions describing an entity.
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Learning Topics

  • Numbers

  • Algebraic expressions

  • Measurement

  • Units of measure

  • Approximation

  • Estimation

  • Lower/Upper Bounds

  • Error/Percentage Error

  • Trigonometric ratios

  • Angles of elevation/depression

  • Length of an arc

Prior Learning Support

Course Syllabus Topics

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Conceptual Understandings

  • Approximation of numbers adds uncertainty or inaccuracy to calculations, leading to potential errors but can be useful when handling extremely large or small quantities.

  • The properties of shapes are highly dependent on the dimension they occupy in space.

  • The relationship between the length of the sides and the size of angles in a triangle can be used to solve many problems involving position, distance, angles, and area.

  • Different representations of trigonometric expressions help to simplify calculations.

Further Conceptual Understandings

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Unit Discussion
Questions & Suggestions

Click on the microphone icon to enter our Unit and Lesson Discussion.

  • Begin a discussion thread by adding a specific question under a Lesson heading.

  • Suggest links to videos and websites that have helped you in your learning.

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Video Lesson 1
Video Lesson 2
 


Ask your questions
in our Unit Discussion.

​

Learn

Lesson 1:

 

Estimating, Measuring,
and Significant Figures

Link to the Course Calendar



 

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In SeeSaw, respond to one.  Then, comment to someone else with agreements/disagreements.
 

TOK Reflections:

What might be the ethical implications of rounding numbers?



 

Reflect

Lesson 2:

 

Accuracy and
Scientific Notation

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Video Lesson 1
Video Lesson 2
 


Ask your questions
in our Unit Discussion.

​

Learn

reflect.JPG

In SeeSaw, respond to one.  Then, comment to someone else with agreements/disagreements.
 

TOK Reflections:

To what extent do instinct and reason create knowledge?

Do the names we give things impact how we understand them?

 

Reflect

Lesson 3:

 

Pythagorean Theorem and
Trigonometry

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Video Lesson 1
Video Lesson 2
   Video 2 Notes Page


Ask your questions
in our Unit Discussion.

​

Learn

reflect.JPG

In SeeSaw, respond to one.  Then, comment to someone else with agreements/disagreements.
 

TOK Reflections:

How does the perception of the language being used distort our understanding?

What do we mean when we say one number is larger than another?

Reflect

Lesson 4:

 

Applied Trigonometry &
Arc Length

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Video Lesson 1
Video Lesson 2

Ask your questions
in our Unit Discussion.

​

Learn

reflect.JPG

In SeeSaw, respond to one.  Then, comment to someone else with agreements/disagreements.
 

TOK Reflections:

How certain is the shared knowledge of mathematics?

What does it mean to say that mathematics is an axiomatic system?

Reflect

Lesson 5:

 

Toolkit Activity
and Unit Review

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Video Lesson

Ask your questions
in our Unit Discussion.

​

Learn

reflect.JPG

In SeeSaw, respond to one.  Then, comment to someone else with agreements/disagreements.
 

TOK Reflections:

...

Reflect

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