# Pythagorean Theorem

## Collection by Priscilla Castro

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Wooden Sign Graduation Party. Direct your guests with this wooden sign to your front walk. Cut letters from blue paper and glue to paper plates. Attach wonder dowels and stick into the lawn for simple graduation party decor without costing too much.

I planned to allow 10 minutes for students to ask questions & make progress on the triangle pile up. They make everything into such a big deal. After a reassuring talk about how I am confident …

This year, I'm teaching Algebra 1 and Algebra 2 for the third time and Trigonometry for the first time. Every year, my school offers a different advanced math elective above Algebra 2. We've cycled through college algebra and statistics. They were both just okay. But, this year, I am LOVING trig. I think there are several reasons for this. First, it's my first year to do interactive notebooks with my advanced math class. I guess for my first two years of teaching, I didn't think my advanced…

This year, I'm teaching Algebra 1 and Algebra 2 for the third time and Trigonometry for the first time. Every year, my school offers a different advanced math elective above Algebra 2. We've cycled through college algebra and statistics. They were both just okay. But, this year, I am LOVING trig. I think there are several reasons for this. First, it's my first year to do interactive notebooks with my advanced math class. I guess for my first two years of teaching, I didn't think my advanced…

Professor Pogo uses math to a criminal mastermind named Tommyrot. Kids learn how to use the Pythagorean Theorem in this cartoon math video produced by braint...

School Fails

In this video, learn how using the Pythagorean theorem can help people solve real-world problems involving distances. In the accompanying classroom activity, students develop their problem-solving, spatial reasoning, and geometry skills by putting the Pythagorean theorem to use. After a brief discussion about how to use the theorem to find the distance between two points on a coordinate grid, students partner up and play a game in which they generate (and then calculate the distance between)…

Teach or review the Pythagorean theorem with Flocabulary's educational rap song and lesson plan.

Part 1 with my new intro for this year is HERE. Our finished right triangle pages looked like this... I know that's kind of a crazy picture. I used my CamScanner app and sent it to a student that was in ISS so she could check her work before moving to the next activity. If you don't have CamScanner I highly recommend it! I can scan and save as a high quality pdf right from my classroom - huge time saver! Anyway... next we completed this little booklet. It was all about the relationships…

Geometry: Task Cards Pythagorean Theorem This is a set of 12 task cards that students can use to practice working with the Pythagorean Theorem. Students should be familiar with: finding the missing leg and missing hypotenuse of a right triangle, solving word problems with the Pythagorean Theorem...

Do you need help applying the Pythagorean Theorem? Use the step by step examples and practice problems to advance your algebra skills and use of the pythagorean theorem.

This year, I'm teaching Algebra 1 and Algebra 2 for the third time and Trigonometry for the first time. Every year, my school offers a different advanced math elective above Algebra 2. We've cycled through college algebra and statistics. They were both just okay. But, this year, I am LOVING trig. I think there are several reasons for this. First, it's my first year to do interactive notebooks with my advanced math class. I guess for my first two years of teaching, I didn't think my advanced…

Consider the math mistakes below. Not real samples of student work (for that, go here), but real mistakes. I’ve seen each one. I think you’ll recognize them. Homework Answer questions 1…

Pg 6. Right Triangle Basics (Optional - Used this my second year, but not my third.) Pg 7. Pythagorean Theorem LEFT: We took a square piece of paper and folded it until the entire square is made up of small right triangles. We then selected a right triangle and the three surrounding squares to demonstrate the Pythagorean Theorem. RIGHT: Another time, we selected, drew, and then cut out the diagram to demonstrate the Pythagorean Theorem. I have seen other diagrams using all the pieces to make…

Every year, there are two things I can reliably predict about my new batch of Geometry kids: (1) They know enough about transformations and (2) They know the Pythagorean Theorem. Now, let's expand on the second. They "know" the Pythagorean Theorem - well kinda. What they really know is that a^2+b^2=c^2. They have no idea where it came from, why it works, who Pythagoras is... none of the good stuff. So, this year, instead of just reviewing how to plug and chug with the Pythagorean Theorem, I…

Wheel with liquid demonstrates the Pythagorean theorem at Brentwood.