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Handout
Other

Interative Learning Paradigms, Inc.: Metric Area

For Students 9th - 10th Standards
This site gives the user background and basic information about the metric measurements for area. The site provides an area conversion calculator, basic definitions, and additional information about area.
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Activity
BBC

Bbc: Skillswise: Formulas

For Students 9th - 10th Standards
This Skillswise site focuses on using formulas as understood in math. Included are a video about how using formulas is important, fact sheets and worksheets practicing with formulas, and quizzes on the information presented. The...
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Lesson Plan
Texas Instruments

Texas Instruments: Simple Programs to Apply Formulas

For Teachers 9th - 10th Standards
Students learn how to write simple programs to evaluate formulas in several variables for lists of data. They apply these skills to the computation of areas, volumes and surface areas of familiar geometric solids.
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Unit Plan
CK-12 Foundation

Ck 12: Measurement: Appropriate Metric Units of Mass or Capacity

For Students 9th - 10th Standards
[Free Registration/Login may be required to access all resource tools.] Choose the appropriate metric units of mass or capacity given various measurement situations.
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Unit Plan
CK-12 Foundation

Ck 12: Measurement: Appropriate Tools for Customary Measurement

For Students 9th - 10th Standards
[Free Registration/Login may be required to access all resource tools.] Choose appropriate tools and customary units for given measurement situations.
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Unit Plan
CK-12 Foundation

Ck 12: Measurement: Appropriate Tools for Metric Measurement

For Students 9th - 10th Standards
[Free Registration/Login may be required to access all resource tools.] Choose appropriate tools and metric units for given items and measurement situations.
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Unit Plan
CK-12 Foundation

Ck 12: Measurement: Appropriate Decimal Units for Metric Measurement

For Students 9th - 10th Standards
[Free Registration/Login may be required to access all resource tools.] Choose appropriate decimal units to express various metric measurements.
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Unit Plan
Khan Academy

Khan Academy: Powers of the Imaginary Unit

For Students 9th - 10th Standards
Simplify expressions with base i (the imaginary unit) raised to a positive exponent. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
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Handout
University of Toronto (Canada)

University of Toronto: Imaginary Numbers in Real World

For Students 9th - 10th Standards
This site from the University of Toronto contains revelant information regarding imaginary number appliances to the real world.
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Activity
Varsity Tutors

Varsity Tutors: Hotmath: Practice Problems: Some Properties of Real Numbers

For Students 9th - 10th Standards
Eighteen problems cover a variety of topics using some of the properties of real numbers. They are given with each step to the solution cleverly revealed one at a time. You can work each step of the problem then click the "View Solution"...
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Unknown Type
Houghton Mifflin Harcourt

Holt, Rinehart and Winston: Homework Help Independent Practice: Real Numbers

For Students 9th - 10th Standards
Get independent practice working with real numbers. Each incorrect response gets a text box explanation and another try. Correct responses are confirmed.
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Website
Lawrence Hall of Science

The Math Page: Skill in Algebra: Signed Numbers

For Students 9th - 10th Standards
This resource explains positive and negative numbers. There are example problems solved, problems for the student to attempt, and answers to the student problems.
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Handout
Other

Mrao: Imaginary Numbers Are Not Real

For Students 9th - 10th Standards
This site presents a tutorial introduction to the ideas of geometric algebra. Gives an outline of geometric algebra and discusses the geometric product, imaginary numbers, and more.
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Lesson Plan
University of Texas at Austin

Mathematics Teks Toolkit: Mathematical Models With Applications

For Teachers 9th - 10th Standards
In this activity, students use geometry software to create a two-point perspective drawing.
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eBook
Math Planet

Math Planet: Algebra 1: Calculating With Real Numbers

For Students 9th - 10th Standards
Provides explanations and a video lesson that illustrates how to calculate with real numbers.
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eBook
Math Planet

Math Planet: Calculating With Decimals and Fractions

For Students 9th - 10th Standards
Gain an understanding of how to calculate with decimals and fractions by viewing an example and a video lesson.
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eBook
Mathigon

Mathigon: Real, Irrational, Imaginary Numbers

For Students 9th - 10th Standards
Explore this course in imaginary and complex numbers including topics of integers, real numbers, infinity, transcendental numbers, imaginary and complex numbers.
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Handout
Math Warehouse

Math Warehouse: Complex and Imaginary Numbers

For Students 9th - 10th Standards
Features numerous exercises relating to complex and imaginary numbers. Includes video tutorials, calculators, worksheets and more.
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PPT
Frostburg State University

Frostburg State University: Measurement

For Students 9th - 10th Standards
A slideshow featuring the various methods of measurement. Identify and understand unit conversion on systems of measurement.
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Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: N q.a.3, N q.a.1, N q.a.2: Weed Killer

For Teachers 9th - 10th Standards
The principal purpose of the task is to explore a real-world application problem with algebra, working with units and maintaining reasonable levels of accuracy throughout. Aligns with N-Q.A.3, N-Q.A.1, and N-Q.A.2.
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Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: N q.a.3 and S id.a: Accuracy of Carbon 14 Dating I

For Teachers 9th - 10th Standards
This task examines, from a mathematical and statistical point of view, how scientists measure the age of organic materials by measuring the ratio of Carbon 14 to Carbon 12. The focus here is on the statistical nature of such dating....
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Handout
Other

Mathway: Geometric Formulas

For Students 9th - 10th Standards
Resource provides geometric formulas for area, perimeter, surface area, and volume.
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Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: N q.a.3: Dinosaur Bones

For Teachers 9th - 10th Standards
The purpose of this task is to illustrate through an absurd example the fact that in real life quantities are reported to a certain level of accuracy, and it does not make sense to treat them as having greater accuracy. Aligns with N-Q.A.3.
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Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: N q.a.3: Calories in a Sports Drink

For Teachers 9th - 10th Standards
The goal of the task is to stimulate a conversation about rounding and about how to record numbers with an appropriate level of accuracy, tying in directly to the standard N-Q.3. Aligns with N-Q.A.3.