Less than $5 9th Grade Trigonometry Resources

This is the perfect example of Real-Life Math and its application to the Real world.

This printable resource shows students the real-life trigonometry needed to do some basic carpentry - getting the angles right when building a ladder for a suspended bed. The contents include the trig ratios sine, cosine and tangent and the Theorem of Pythagoras.

This resource works great as ...

• an assessment exercise
• a task
• independent work
• distance learning
• math stations
• math centers
• homework
• constructive group work when introducing the topic.

You may also like the following resources on Trigonometry!

https://www.TeachShare.com/Product/Back-to-school-Fun-Real-Life-Trigonometry-Project-Building-a-Lean-To-onto-a-Shed-7000325

https://www.TeachShare.com/Product/Back-to-school-fun-exercise-Trigonometric-Ratios-and-Applying-it-to-Real-Life-6822459

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Worksheet that contains a mixture of the law of sines and law of cosines. Also includes problems on finding the area of triangles using 1/2 absinC.

Questions increase in difficulty to include problems where both rules are needed or one rule is needed before being able to find the area of the triangle.

This works well after teaching sine and cosine rule separately and students need to be able to decide when to use each rule.

Worked solutions are included

LICENSING TERMS: This purchase includes a license for one teacher only for personal use in their classroom. Licenses are non-transferable, meaning they cannot be passed from one teacher to another. No part of this resource is to be shared with colleagues or used by an entire grade level, school, or district without purchasing the proper number of licenses.

COPYRIGHT TERMS: This resource may not be uploaded to the internet in any form, including classroom/personal websites or network drives, unless the site is password protected and can only be accessed by students.

You may also like:

Law of Sines no prep lesson

Law of Cosines no prep lesson

Find the surface area and volume of cubes, rectangular prisms, triangular prisms, cylinders, cones, square pyramids, triangular pyramids, and spheres by using geometry formulas. 40 problems total. 2 sets. Each set has 20 problems, 1 blank student worksheet, 1 student worksheet with one sample answer, 1 teacher answer sheet in color, and 1 teacher answer sheet in ink. Grade 3-10. Use for Halloween, or any time of the year. Prep Free! Independent!

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This maze bundle is for students to practice finding missing angle measurements and missing side lengths of a right triangle using trigonometry. The students will work their way through the maze by solving the problems and choosing the correct answer.

This would be a great addition to:

• Your emergency substitute folder
• A choice board
• Unit/chapter review
• Remediation

You may also like:

Parallel Lines Cut by a Transversal (Special angles) Placemat Activity

Special Right Triangles Color by Number Activity

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Mixture of using the law of sines (sine rule) to find angles and sides in non-right angled triangles

Instructions

• Print off the twenty question pages and put them up around the room
• Each question is in the middle of the page and the solution is at the top of another page.
• Answers are correct to one decimal place where appropriate
• A student begins on a given question, solves it and finds the answer on another sheet. The question on this sheet will be the next question they answer. Once they have answered all twenty, they will return to their starting question
• Depending on numbers, students can all start on different questions
• There is a student answer sheet included plus the correct sequence

You may also like

Treasure/Scavenger Hunt - Using trigonometry to find missing lengths

Treasure/Scavenger Hunt - Using trigonometry to find missing angles

This maze is for students to practice finding missing side lengths of a right triangle using trigonometry. The students will work their way through the maze by solving the problems and choosing the correct answer.

This would be a great addition to:

• Your emergency substitute folder
• A choice board
• Unit/chapter review
• Remediation

No Prep Lesson for the law of sines / sine rule.

• Power Point with the proof, examples of finding sides, angles and the ambiguous case
• Worksheet with basic problems and real-world problems
• Worked solutions included

LICENSING TERMS: This purchase includes a license for one teacher only for personal use in their classroom. Licenses are non-transferable, meaning they cannot be passed from one teacher to another. No part of this resource is to be shared with colleagues or used by an entire grade level, school, or district without purchasing the proper number of licenses.

COPYRIGHT TERMS: This resource may not be uploaded to the internet in any form, including classroom/personal websites or network drives, unless the site is password protected and can only be accessed by students.

This maze is for students to practice finding missing angle measurements of a right triangle using trigonometry. The students will work their way through the maze by solving the problems and choosing the correct answer.

This would be a great addition to:

• Your emergency substitute folder
• A choice board
• Unit/chapter review
• Remediation

Use this Treasure / Scavenger Hunt after teaching finding missing side lengths using trigonometry.

I have included all three trigonometric ratios (sine, cosine and tangent). There are a mixture of difficulty. The are questions on finding opposite, adjacent and hypotenuse so in some cases students will need to divide by the trigonometric ratio.

Instructions

• Print off the twenty question pages and put them up around the room
• Each question is in the middle of the page and the solution is at the top of another page.
• Answers are correct to two decimal places where appropriate
• A student begins on a given question, solves it and finds the answer on another sheet. The question on this sheet will be the next question they answer. Once they have answered all twenty, they will return to their starting question
• Depending on numbers, students can all start on different questions
• There is a student answer sheet included plus the correct sequence

LICENSING TERMS: This purchase includes a license for one teacher only for personal use in their classroom. Licenses are non-transferable, meaning they cannot be passed from one teacher to another. No part of this resource is to be shared with colleagues or used by an entire grade level, school, or district without purchasing the proper number of licenses.

COPYRIGHT TERMS: This resource may not be uploaded to the internet in any form, including classroom/personal websites or network drives, unless the site is password protected and can only be accessed by students.

You may also like

Treasure/Scavenger Hunt - Using trigonometry to find missing angles

Using sine, cosine and tangent functions with right angled triangles. This resource gets students to recognise the hypotenuse, opposite and adjacent sides. This also get students practising using the calculator to use both the trig functions and their inverses.

Worked solutions included

LICENSING TERMS: This purchase includes a license for one teacher only for personal use in their classroom. Licenses are non-transferable, meaning they cannot be passed from one teacher to another. No part of this resource is to be shared with colleagues or used by an entire grade level, school, or district without purchasing the proper number of licenses.

COPYRIGHT TERMS: This resource may not be uploaded to the internet in any form, including classroom/personal websites or network drives, unless the site is password protected and can only be accessed by students.

No prep lesson for finding missing angles and sides in non-right angled triangles using the law of cosines / cosine rule

• Power Point with proof, two examples of missing sides and two examples for missing angles
• Worksheet including real life problems
• Worked solutions

LICENSING TERMS: This purchase includes a license for one teacher only for personal use in their classroom. Licenses are non-transferable, meaning they cannot be passed from one teacher to another. No part of this resource is to be shared with colleagues or used by an entire grade level, school, or district without purchasing the proper number of licenses.

COPYRIGHT TERMS: This resource may not be uploaded to the internet in any form, including classroom/personal websites or network drives, unless the site is password protected and can only be accessed by students.

Cosine Rule / Law of cosines scavenger hunt. Both finding a missing side or a missing angle

Instructions

• Print off the twenty question pages and put them up around the room

• Each question is in the middle of the page and the solution is at the top of another page.

• A student begins on a given question, solves it and finds the answer on another sheet. The question on this sheet will be the next question they answer. Once they have answered all twenty, they will return to their starting question

• Depending on numbers, students can all start on different questions

• There is a student answer sheet included plus the correct sequence

LICENSING TERMS: This purchase includes a license for one teacher only for personal use in their classroom. Licenses are non-transferable, meaning they cannot be passed from one teacher to another. No part of this resource is to be shared with colleagues or used by an entire grade level, school, or district without purchasing the proper number of licenses.

COPYRIGHT TERMS: This resource may not be uploaded to the internet in any form, including classroom/personal websites or network drives, unless the site is password protected and can only be accessed by students.

No Prep Lesson on finding the missing angles in a right angled triangle using trigonometry

• Power Point with two examples on each finding an angle. One is a teacher example then a question for students to try
• Worksheet on finding angles with some real world examples (Includes QR code for You Tube video)
• Worked solutions included

LICENSING TERMS: This purchase includes a license for one teacher only for personal use in their classroom. Licenses are non-transferable, meaning they cannot be passed from one teacher to another. No part of this resource is to be shared with colleagues or used by an entire grade level, school, or district without purchasing the proper number of licenses.

COPYRIGHT TERMS: This resource may not be uploaded to the internet in any form, including classroom/personal websites or network drives, unless the site is password protected and can only be accessed by students.

No Prep Lesson on finding the missing lengths in a right angled triangle using trigonometry

• Power Point with two examples on each finding a shorter side or hypotenuse. One each slide there is a teacher example then a question for students to try
• Worksheet on finding lengths with some real world examples (QR code with link to video)
• Worked solutions included

LICENSING TERMS: This purchase includes a license for one teacher only for personal use in their classroom. Licenses are non-transferable, meaning they cannot be passed from one teacher to another. No part of this resource is to be shared with colleagues or used by an entire grade level, school, or district without purchasing the proper number of licenses.

COPYRIGHT TERMS: This resource may not be uploaded to the internet in any form, including classroom/personal websites or network drives, unless the site is password protected and can only be accessed by students.

You may also like

Finding Missing Lengths Scavenger Hunt

Use this Treasure / Scavenger Hunt after teaching finding missing angles using trigonometry.

I have included all three trigonometric ratios (sine, cosine and tangent). There are a mixture of difficulty. Some questions are worded so students may need to draw a diagram first to help them

Instructions

• Print off the twenty question pages and put them up around the room
• Each question is in the middle of the page and the solution is at the top of another page.
• Answers are correct to one decimal place where appropriate
• A student begins on a given question, solves it and finds the answer on another sheet. The question on this sheet will be the next question they answer. Once they have answered all twenty, they will return to their starting question
• Depending on numbers, students can all start on different questions
• There is a student answer sheet included plus the correct sequence

You may also like

Treasure/Scavenger Hunt - Using trigonometry to find missing lengths