Acting it Out      A Problem-Solving Strategy
You buy a stamp for $15
You buy a stamp for $15                You then sell it for $20
You buy a stamp for $15                  You then sell it for $20You then buy it back for $25
You buy a stamp for $15                  You then sell it for $20You then buy it back for $25                  You then se...
How muchmoney did youmake or lose  in buying this stamp?
How muchmoney did youmake or lose  in buying this stamp?
How much       You buy a stamp for $15money did you   You then sell it for $20make or lose  in buying     You then buy it ...
How much        You buy a stamp for $15money did you    You then sell it for $20make or lose  in buying      You then buy ...
v ie s                   e m o             t o th   t ’s goL e
v ie s                   e m o             t o th   t ’s goL e
How much       You buy a stamp for $15money did you   You then sell it for $20make or lose  in buying     You then buy it ...
How much       You buy a stamp for $15money did you   You then sell it for $20make or lose  in buying     You then buy it ...
How much           You buy a stamp for $15money did you       You then sell it for $20make or lose  in buying         You ...
How much           You buy a stamp for $15money did you       You then sell it for $20make or lose  in buying         You ...
How much           You buy a stamp for $15money did you       You then sell it for $20make or lose  in buying         You ...
How much            You buy a stamp for $15money did you        You then sell it for $20make or lose  in buying          Y...
Acting it Out - A Problem Solving Strategy
Acting it Out - A Problem Solving Strategy
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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.
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