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# The Digital Scientific Notation Worksheet

Lesson 21 of 22

## Objective: SWBAT review and self-assess their understanding of scientific notation concepts and skills.

*60 minutes*

#### Start Up

*5 min*

Today's lesson offers students a chance to self-assess their understanding. The lesson employs a Digital_Worksheet to allow students independence, provide challenging tasks, and embed learning resources. Through the worksheet, I offer students a series of practice questions online. I have also planned follow up questions for the end of the lesson to assess student progress.

The learning supports provided on the Digital Worksheet include video help as well as answers. As students work I circulate and intervene with 1-on-1 support. I encourage students to take notes as they work, and, to ask questions when they need help. I motivate students by saying, "I want you to use this time to be ready for whatever questions I ask on today's for an Exit Ticket."

#### Resources

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#### The Digital Worksheet

*35 min*

Since many of questions are more basic scientific notation questions, I tend to use this assessment early in my scientific notation unit. However, from year to year, this may change and I might choose to use it closer to a summative assessment, perhaps as a warm up.

Before beginning, I ask students to get their pen or pencil and a piece of paper out. As they do this I hand out laptop computers so students can access the worksheet electronically. If any students require a printed copy (for whatever reason), I print out the worksheet for them.

The worksheet itself can be found on this link:

https://sites.google.com/site/thecinemathproject/videos-by-topic/test-prep/new-york-tests/7thgradenewyorktest/scientific-notation (Accessed May 5 2014)

I've also included a pdf image of the The Digital Worksheet - Scientific Notation file as a resource for this section of the lesson.

My instructions are straight forward:

- Solve each question and show your work on paper.
- Submit your answers online (I create self grading Google Forms so the students can see how they did)
- Create a question that is based on but
*slightly more difficult*than a question from this worksheet.

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#### Review

*10 min*

During I lesson like this, I also plan some time to review how the assessment went. I structure the time to go deeper than right and wrong answers. I introduce it to students as a time to share their ideas. I say something like, "What ideas did you have as you worked on these problems? What observations? What did you discover? Remember?"

For example, consider the Temperature_of_the_Sun_Problem. The temperature of the sun is stated to be 27 million degrees. I want students to recognize why the answer is 2.7 x 10^7 and not 27 x 10^6. I also want them to recognize that these two expressions are equal. I would also ask them to be able to extend this idea to other equivalent numerical expressions.

.27 x 10^8

.027 x 10^9

.0027 x 10^10

and so forth...

Ultimately, my idea is to use each question as an opportunity for reflection, and to promote meaningful reflection as a mathematical practice (MP3).

#### Resources

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#### Exit Ticket

*10 min*

For this lesson's Exit Ticket, I ask students to create a question that is slightly more difficult, but based upon, one of the questions from the worksheet. After students write their questions, I pick 5 that I like and show them to the class. I give students about 1-2 minutes to answer each question. I collect the students answers to these 5 questions at the end of class.

**Teaching Note**: I highly recommend giving this idea a shot. Student created questions are always fun to read and will make the members of your class a contributing member of the assessment process.

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- LESSON 1: Units and Vast Systems of Measurement
- LESSON 2: Adding and Subtracting in Scientific Notation
- LESSON 3: Mad Libs and Math Libs
- LESSON 4: Yuck! Word Problems...
- LESSON 5: The World of Microns
- LESSON 6: 100 People: An Assessment
- LESSON 7: Khan Academy and Scientific Notation Intuition
- LESSON 8: Khan Academy and Scientific Notation Conversions
- LESSON 9: Khan Academy and Orders of Magnitude
- LESSON 10: Khan Academy and Multiplying and Dividing with Scientific Notation
- LESSON 11: Khan Academy and Computations in Scientific Notation
- LESSON 12: Khan Academy Patterns in Zeros
- LESSON 13: Delta Math and Scientific Notation
- LESSON 14: Video Quiz (Alternative Assessment)
- LESSON 15: How far is that?
- LESSON 16: Long Distance Relationships Project
- LESSON 17: Long Distance Relationship Follow Up
- LESSON 18: How big is that?
- LESSON 19: The Universcale (A Project)
- LESSON 20: Universcale Project Follow Up
- LESSON 21: The Digital Scientific Notation Worksheet
- LESSON 22: The Cost of the Death Star