Multistep Percent Problems – 7th Grade – Pre-Algebra
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Transcript of Multistep Percent Problems – 7th Grade – Pre-Algebra
![Page 1: Multistep Percent Problems – 7th Grade – Pre-Algebra](https://reader033.fdocuments.us/reader033/viewer/2022061120/546d4a6baf795912528b6f0c/html5/thumbnails/1.jpg)
Multistep Percent Problems7th Grade – Pre-Algebra
![Page 2: Multistep Percent Problems – 7th Grade – Pre-Algebra](https://reader033.fdocuments.us/reader033/viewer/2022061120/546d4a6baf795912528b6f0c/html5/thumbnails/2.jpg)
Lesson ObjectiveObjectives: Students will be able to:
Translate percent problems from written form to numerical form.
Convert percentages to fractions and decimals.
Solve multistep percent problems in numerical form.
![Page 3: Multistep Percent Problems – 7th Grade – Pre-Algebra](https://reader033.fdocuments.us/reader033/viewer/2022061120/546d4a6baf795912528b6f0c/html5/thumbnails/3.jpg)
What do you think of when you hear the word..
sale
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sale
![Page 5: Multistep Percent Problems – 7th Grade – Pre-Algebra](https://reader033.fdocuments.us/reader033/viewer/2022061120/546d4a6baf795912528b6f0c/html5/thumbnails/5.jpg)
What tools do we need to compare different sales? We need to know how to
change percentages to fractions and decimals.
50% = = 0.50
We need to know how to translate percent problems.
Five = 5
50 100
![Page 6: Multistep Percent Problems – 7th Grade – Pre-Algebra](https://reader033.fdocuments.us/reader033/viewer/2022061120/546d4a6baf795912528b6f0c/html5/thumbnails/6.jpg)
How to change percentages to fractions and decimals:
50 % = fifty percent
_____ 100
Divide 100
centper
50 % = 50_____100
![Page 7: Multistep Percent Problems – 7th Grade – Pre-Algebra](https://reader033.fdocuments.us/reader033/viewer/2022061120/546d4a6baf795912528b6f0c/html5/thumbnails/7.jpg)
Example Problem
What is 25% of 36?
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Example Problem
What is 25% of 36?
x
![Page 9: Multistep Percent Problems – 7th Grade – Pre-Algebra](https://reader033.fdocuments.us/reader033/viewer/2022061120/546d4a6baf795912528b6f0c/html5/thumbnails/9.jpg)
Example Problem
What is 25% of 36?
x =
![Page 10: Multistep Percent Problems – 7th Grade – Pre-Algebra](https://reader033.fdocuments.us/reader033/viewer/2022061120/546d4a6baf795912528b6f0c/html5/thumbnails/10.jpg)
Example Problem
What is 25% of 36?
x =0.25
![Page 11: Multistep Percent Problems – 7th Grade – Pre-Algebra](https://reader033.fdocuments.us/reader033/viewer/2022061120/546d4a6baf795912528b6f0c/html5/thumbnails/11.jpg)
Example Problem
What is 25% of 36?
x =0.25 ●
![Page 12: Multistep Percent Problems – 7th Grade – Pre-Algebra](https://reader033.fdocuments.us/reader033/viewer/2022061120/546d4a6baf795912528b6f0c/html5/thumbnails/12.jpg)
Example Problem
What is 25% of 36?
x =0.25 ● 36
![Page 13: Multistep Percent Problems – 7th Grade – Pre-Algebra](https://reader033.fdocuments.us/reader033/viewer/2022061120/546d4a6baf795912528b6f0c/html5/thumbnails/13.jpg)
Example Problem
What is 25% of 36?
x =0.25 ● 36
9=x
![Page 14: Multistep Percent Problems – 7th Grade – Pre-Algebra](https://reader033.fdocuments.us/reader033/viewer/2022061120/546d4a6baf795912528b6f0c/html5/thumbnails/14.jpg)
Example Problem
What is 30% of 54?
![Page 15: Multistep Percent Problems – 7th Grade – Pre-Algebra](https://reader033.fdocuments.us/reader033/viewer/2022061120/546d4a6baf795912528b6f0c/html5/thumbnails/15.jpg)
Example Problem
What is 30% of 54?
x
![Page 16: Multistep Percent Problems – 7th Grade – Pre-Algebra](https://reader033.fdocuments.us/reader033/viewer/2022061120/546d4a6baf795912528b6f0c/html5/thumbnails/16.jpg)
Example Problem
What is 30% of 54?
x =
![Page 17: Multistep Percent Problems – 7th Grade – Pre-Algebra](https://reader033.fdocuments.us/reader033/viewer/2022061120/546d4a6baf795912528b6f0c/html5/thumbnails/17.jpg)
Example Problem
What is 30% of 54?
x =0.30
![Page 18: Multistep Percent Problems – 7th Grade – Pre-Algebra](https://reader033.fdocuments.us/reader033/viewer/2022061120/546d4a6baf795912528b6f0c/html5/thumbnails/18.jpg)
Example Problem
What is 30% of 54?
x =0.30 ●
![Page 19: Multistep Percent Problems – 7th Grade – Pre-Algebra](https://reader033.fdocuments.us/reader033/viewer/2022061120/546d4a6baf795912528b6f0c/html5/thumbnails/19.jpg)
Example Problem
What is 30% of 54?
x =0.30 ● 54
![Page 20: Multistep Percent Problems – 7th Grade – Pre-Algebra](https://reader033.fdocuments.us/reader033/viewer/2022061120/546d4a6baf795912528b6f0c/html5/thumbnails/20.jpg)
Example Problem
What is 30% of 54?
x =0.30 ● 54
16.2=x
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Apple iPod Shuffle
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15% discount off all sweatshirts
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Debrief Questions
Evaluation - How does language influence our
understanding of mathematics?
Analysis - What is the difference between the
words “of” and “out of?”
Application - How would you use what you have learned to
help you make better choices when
shopping?