QR Code Review: Parallel Lines & Transversals Vocabulary

QR Code Review: Parallel Lines & Transversals Vocabulary
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(782 KB|25 pages)
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NOTE: You will need smartphones, iPads or some other kinds of devices with a QR code reader installed to do this activity. If students are allowed to have their phones in the classroom, you may want to suggest that they install a QR code reader app the night before. I use QR Reader, which is free, but there are many of these types of apps available and most are free.

This activity is quick to set up and gives both you and your students a break from seatwork. Print these mini posters and tape them around your room. Students will check what they think the answer is by using their phone or other smart device and a QR code reader app. This would be a great way to review before a quiz or a test and if you opt to use the reflection sheet, you have a quick way to get feedback on knowledge gaps. I recommend that you give the students the parameters of no more than 3 students per question at a time and set a time limit, such as 10 or 15 minutes to complete the activity.

I find that my students may be comfortable with the process of using parallel lines and transversals but struggle with the vocabulary, especially when it’s embedded in a word problem as it is often the case on a standardized test. For this reason, I tend to focus on this vocabulary.

The following vocabulary is found in this activity:

  • Vertical angle
  • Supplementary angle
  • Adjacent angle
  • Congruent
  • Alternate interior angle
  • Alternate exterior angle
  • Corresponding angle
  • Consecutive interior angle

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Log in to see state-specific standards (only available in the US).
Understand that a two-dimensional figure is similar to another if the second can be obtained from the first by a sequence of rotations, reflections, translations, and dilations; given two similar two-dimensional figures, describe a sequence that exhibits the similarity between them.
Total Pages
25 pages
Answer Key
Teaching Duration
30 minutes
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