The Pythagorean Theorem Lesson Plan

Learning Objective

Students will be able to understand and apply the Pythagorean Theorem to solve problems using Brush Ninja.

Materials

• Computers or tablets with internet access
• Brush Ninja animated gif maker
• Whiteboards and markers

Procedure

1. Introduce the Pythagorean Theorem by explaining that it is a mathematical formula used to find the length of one side of a right triangle when the lengths of the other two sides are known.
2. Draw a right triangle on the whiteboard and label its sides as ‘a’, ‘b’, and ‘c’ (with ‘c’ being the longest side, also called hypotenuse).
3. Explain that according to the Pythagorean Theorem, c² = a² + b².
4. Demonstrate how to use this formula by solving an example problem on the whiteboard.
5. Have students work in pairs or small groups to create an animated gif using Brush Ninja that shows how they would use the Pythagorean Theorem to find the length of one side of a right triangle.
6. After creating their animations, have each group share their gif with the class.
7. As a class, discuss any common misconceptions or errors made during the activity.

Assessment

Assess students based on their understanding of how to apply the Pythagorean Theorem correctly in both written form (their explanations) and visual form (their animations).

Extension

For more advanced students, challenge them to create more complex animated gifs that involve multiple triangles or non-right triangles where they must use trigonometric ratios such as sine, cosine, and tangent instead of just using Pythagoras theorem.

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