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# Acting it Out - A Problem Solving Strategy

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This presentation gives an example of how to use the problem-solving strategy, Acting it out, in solving an algebraic word problem. There is a video embedded in the presentation of us "Acting it out", of course!

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### Acting it Out - A Problem Solving Strategy

1. 1. Acting it Out A Problem-Solving Strategy
2. 2. You buy a stamp for \$15
3. 3. You buy a stamp for \$15 You then sell it for \$20
4. 4. You buy a stamp for \$15 You then sell it for \$20You then buy it back for \$25
5. 5. You buy a stamp for \$15 You then sell it for \$20You then buy it back for \$25 You then sell it again for \$30
6. 6. How muchmoney did youmake or lose in buying this stamp?
7. 7. How muchmoney did youmake or lose in buying this stamp?
8. 8. How much You buy a stamp for \$15money did you You then sell it for \$20make or lose in buying You then buy it back for \$25 this stamp? You then sell it again for \$30
9. 9. How much You buy a stamp for \$15money did you You then sell it for \$20make or lose in buying You then buy it back for \$25 this stamp? You then sell it again for \$30 Acting it Out
10. 10. v ie s e m o t o th t ’s goL e
11. 11. v ie s e m o t o th t ’s goL e
12. 12. How much You buy a stamp for \$15money did you You then sell it for \$20make or lose in buying You then buy it back for \$25 this stamp? You then sell it again for \$30 Acting it Out
13. 13. How much You buy a stamp for \$15money did you You then sell it for \$20make or lose in buying You then buy it back for \$25 this stamp? You then sell it again for \$30 Acting it Out Let x = proﬁt
14. 14. How much You buy a stamp for \$15money did you You then sell it for \$20make or lose in buying You then buy it back for \$25 this stamp? You then sell it again for \$30 Acting it Out Let x = proﬁt x = -15 + 20 - 25 + 30
15. 15. How much You buy a stamp for \$15money did you You then sell it for \$20make or lose in buying You then buy it back for \$25 this stamp? You then sell it again for \$30 Acting it Out Let x = proﬁt x = -15 + 20 - 25 + 30 x = 10
16. 16. How much You buy a stamp for \$15money did you You then sell it for \$20make or lose in buying You then buy it back for \$25 this stamp? You then sell it again for \$30 Acting it Out Units: \$ Let x = proﬁt x = -15 + 20 - 25 + 30 x = 10
17. 17. How much You buy a stamp for \$15money did you You then sell it for \$20make or lose in buying You then buy it back for \$25 this stamp? You then sell it again for \$30 Acting it Out Units: \$ Let x = proﬁt x = -15 + 20 - 25 + 30 x = 10 You will make \$10.