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Algebra & Functions | Geometry & Measurement | Number & Operations | Statistics & Probability | Trigonometry | Calculus

## 3-D Figures

- Stellated Icosahedrons Made from Straw and Ribbon – Janelle Graham
- Icosahedron Ornament Balls Tutorial
- 3D Perspective Drawing – Shaun Carter
- Volumes of Pyramids Activity – Shaun Carter

## Angles

- Angle Matching Task – Rich Barnett
- Angle Mazes – Naoki Inaba
- Missing Angles Task
- Complementary and Supplementary Angle Notes
- Hands-On Archaeology Geometry Activity
- Giant Printable Protractor – druinok
- Mini Protractor Pocket – druinok

## Area and Perimeter

- Area and Perimeter Posters
- Area Maze Puzzles – Naoki Inaba
- Perimeter of Polygons Foldable – Shaun Carter
- Areas of Polygons Cut and Paste Activity – Shaun Carter
- Area of Shapes Mini Poster Project – Shaun Carter

## Circles

- Hands On Circumference Activity
- Areas of Circles and Sectors Activity – Shaun Carter
- Area of a Sector Lesson – Shaun Carter

## Coordinate Geometry

### Distance Formula

## Geometry Symbols

- Geometry Symbols Posters – Shaun Carter

## Logic

- Laws of Logic Card Sort Activity – druinok
- Logical Thinking Puzzles – druinok

## Measurement

- Measurement Puzzlers – A Survey of Mathematics with Applications
- Dimensional Analysis Shape Cards – Kathryn Freed
- Cut and Paste Dimensional Analysis Activity – Teacher Friendly Chemistry
- Animal Speed Chart Converting Units Activity
- Mini Metric Olympics Activity – AIMS
- Converting Units Foldable
- Converting Units Posters – Shaun Carter

## Parallel Lines Cut by a Transversal

- Parallel Lines Cut by a Transversal Foldable – Kathryn at i is a number

## Points, Lines, & Planes

- Undefined Terms (Point, Line, Plane) Foldable – Shaun Carter
- All About Segments Foldable – druinok
- Find Someone Who: Points, Lines, and Planes – druinok (Note: file link no longer works, but there is still an image of the activity that you could use.)

## Polygons

- Perimeter of Polygons Foldable – Shaun Carter
- Areas of Polygons Cut and Paste Activity – Shaun Carter

## Quadrilaterals

- Count the Quadrilaterals Task – Pierre Berloquin
- Zukei Puzzles – Naoki Inaba
- Quadrilaterals Card Sort Activity – Shaun Carter
- Parallelogram and Rhombus Theorems – Shaun Carter

## Transformations

- Rotations Around a Point Activity – Shaun Carter

## Triangles

### Area of a Triangle

- Sankaku Puzzles – Area of a Triangle Puzzles – Naoki Inaba

### Equilateral Triangles

- Parts of a Whole – An Equilateral Triangle Puzzle – The Ultimate Clever Puzzle Book
- Equilateral Triangle Puzzle – Richard Candy

### Identifying Triangles

- Triangular Turkey Puzzle – Martin Gardner
- Triangles and Streamers Activity – Shaun Carter

### Pythagorean Theorem

- Make It Pythagorean Puzzles – Golf on the Moon
- Pythagorean Theorem Poster
- Romeo and Juliet Pythagorean Theorem Questions
- Pythagorean Triples Interactive Notebook Page
- Pythagorean Triple Posters
- Wheel of Theodorus Bulletin Board
- Pythagorean Theorem Notes – Jessie Hester
- Proving Pythagorean Theorem Notebook Page – Shaun Carter
- Pythagorean Theorem Question Stack Activity – druinok

### Right Triangle Trigonometry

- Parts of a Right Triangle Poster
- Clinometer Activity and Foldable
- Finding Missing Angles of Right Triangles Practice Book
- Parts of a Right Triangle Interactive Notebook Page
- SOH CAH TOA Poster
- SOH CAH TOA Foldable

### Similar Triangles

- Shadows Task Involving Similar Triangles – OGAP Workshop

### Special Right Triangles

- One Big Square Task – Open Curriculum Task Database
- Dragon Puzzle to Practice Special Right Triangles – Windows to Mathematics 10
- Special Right Triangle Discovery Activity
- Special Right Triangles Posters
- Special Right Triangles Practice Book
- Special Right Triangles Foldable – druinok