Teaching scale factor

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real-world-math-ratio-area-scale-factor Math Movies, Maths Problems, High School Math Classroom, Math Lab, Going To The Movies, Algebra Activities, Middle School Math Classroom, Math Instruction, 6th Grade Math

There are lots of great scenes from books and movies that can be used to launch math activities. Today, I'm going to focus on a few of my favorite ones from over the years. Probably my favorite all time movie connection actually comes from the special features of the first Lord of the Rings movies. There is an awesome documentary where they talk about how they use forced perspective to make Frodo look shorter than Gandalf. The clip shows how they use the actors' distance from the cameras as…

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Great Math Project! From Fast Times of a Middle School Math Teacher: Scaling Up Candy Wrappers. Check out her blog! Junior High Math, Ratios And Proportions, Middle School Math Teacher, Middle School Math Classroom, Scale Drawing, Math Education, 6th Grade Math, 8th Grade Math, 7th Grade Math

The 7th grade teachers at my school decided to do a fun candy wrapper project right before winter break. Students brought in a candy wrapper and we drew a centimeter grid over the wrapper. It works well if you tape the wrapper on centimeter grid paper so students can easily draw straight lines. After they grid their wrapper then each student decided on a scale factor to enlarge their wrapper. I encouraged students to go larger than a scale factor of 5 so image was a decent size. Students…

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