Pre-Alg 2.15 Adding & Subtracting Equations
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Pre-Algebra Lesson 2.15 Addition & Subtraction Applications
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Transcript of Pre-Alg 2.15 Adding & Subtracting Equations
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Pre-Algebra
Lesson 2.15
Addition & Subtraction Applications
![Page 3: Pre-Alg 2.15 Adding & Subtracting Equations](https://reader034.fdocuments.us/reader034/viewer/2022051412/54840ce0b47959d80c8b4a5e/html5/thumbnails/3.jpg)
Word problems
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Why do we need to practice word problems?
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32/$4 = 16/$2.75
x/2 = 6
In a perfect place...
![Page 6: Pre-Alg 2.15 Adding & Subtracting Equations](https://reader034.fdocuments.us/reader034/viewer/2022051412/54840ce0b47959d80c8b4a5e/html5/thumbnails/6.jpg)
Which is a better value? A 32 oz. bag for $4 or a 16 oz bag for $2.75?
If 2 bags costs $6, how much does 1 bag cost?
In real life...
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![Page 8: Pre-Alg 2.15 Adding & Subtracting Equations](https://reader034.fdocuments.us/reader034/viewer/2022051412/54840ce0b47959d80c8b4a5e/html5/thumbnails/8.jpg)
Write and simplify a numerical expression.Subtract 12.5 from -3.8
Write an equation to represent this sentence.When 4 is added to a number,
the result is 11.5
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What Ms. Vallejo Does...
1. Draw/Write
2. Form
3. Solve
4. Check
SMOTD
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1. Draw/Write
2. Form
3. Solve
4. Check
![Page 12: Pre-Alg 2.15 Adding & Subtracting Equations](https://reader034.fdocuments.us/reader034/viewer/2022051412/54840ce0b47959d80c8b4a5e/html5/thumbnails/12.jpg)
1. Draw/Write
2. Form
3. Solve
4. Check
![Page 13: Pre-Alg 2.15 Adding & Subtracting Equations](https://reader034.fdocuments.us/reader034/viewer/2022051412/54840ce0b47959d80c8b4a5e/html5/thumbnails/13.jpg)
1. Draw/Write
2. Form
3. Solve
4. Check