Colouring by Sine & Cosine Laws, Rosa Parks (30-Sheet Collaborative Math Mosaic)

Grade Levels
10th - 12th
Resource Type
Formats Included
  • Zip
64 pages
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  1. These mosaics are a great way to involve every learner in your class! They provide collaborative motivation through a common goal, while upholding individual accountability since every worksheet has different problems.
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Connect your students to an important historical figure in a memorable and mathy way! The Rosa Parks mosaic consists of 30 worksheets (each one with a unique set of math problems!) involving sine and cosine law problems for missing sides and angles. Students' sheets combine to create the large Rosa Parks mosaic. The collaborative motivation is huge! The answers are given in a randomized list at the bottom of each sheet, allowing students to monitor their own work, and a complete answer key is provided for you.

This product comes in both .pdf and editable .docx format. All files are included in the zip folder.

CHECK OUT THE PRODUCT PREVIEW to see the range of problem types and know exactly what these worksheets involve!

Students solve the trig problems, then use the answers to colour their worksheets based on the colour key.

It's simple!

1. Calculate the answers.

2. Colour the squares.

3. Cut out your section.

4. Combine with the class!

Both a visual answer key, showing the completed mosaic with labelled coordinates (to help you assemble the picture from the combined worksheets), and a numeric answer key for each individual worksheet are provided.

Leave the end goal a secret, or let them know their mission in advance for motivation… it’s your call.

Encourage students to check their answers by finding them in the randomized list on their worksheet before they colour each square. This will increase the accuracy of the final picture!

All my “Colouring by…” worksheets use standard pencil-crayon colours found in the Crayola 24 pack. For best results, use the exact colour name match (and encourage quality colouring!). Perhaps a class set of pencil crayons would be a fun math department investment!

Feedback, suggestions, and frontline stories are always welcomed!



Understand and apply the Law of Sines and the Law of Cosines to find unknown measurements in right and non-right triangles (e.g., surveying problems, resultant forces).


◾ MPM2D, Trigonometry Strand,

Overall Expectation T3:

Solve problems involving acute triangles, using the sine law and the cosine law.

Specific Expectation:

T3.3 Determine the measures of sides and angles in acute triangles, using the sine law and the cosine law

◾ MCF3M, Trigonometric Functions Strand

Overall Expectation TF1:

Solve problems involving trigonometry in acute triangles using the sine law and the cosine law, including problems arising from real-world applications

Specific Expectation

TF1.4: Describe conditions that guide when it is appropriate to use the sine law or the cosine law, and use these laws to calculate sides and angles in acute triangles

TF1.5: Solve problems that require the use of the sine law or the cosine law in acute triangles

Thanks for checking this out!


If you like this product, be sure the check out the whole Collaborative Math Mosaic directory, sorted by topic!

Total Pages
64 pages
Answer Key
Teaching Duration
2 days
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to see state-specific standards (only available in the US).
Understand and apply the Law of Sines and the Law of Cosines to find unknown measurements in right and non-right triangles (e.g., surveying problems, resultant forces).


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