NCTM Standards: Represent and analyze mathematical situations and structures using algebraic symbols; Understand patterns, relations and functions
Activity 25: Mental, Paper, DigitalAdded on 3/19/2008 |
Downloads: TI-73 PDF file |
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| ACTIVITY OVERVIEW In this activity we will:
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| For each of the problems in this activity, indicate your answer on the right and tell whether you used mental math, paper with pencil or calculator to solve the problem. Be ready to justify your choice with your teacher. |
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| 5(20-8) +6 | 
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| 4*6-2 * means multiply |
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| 24/8•2^4 | 
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| Evaluate 36/x when x=4 | 
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| Evaluate 6x+2y when x=9 and y=-3 |
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| Evaluate (9+x)/(4y) when x=7 and y=-2 | 
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| Evaluate 3+2x³ when x=2 | 
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| Evaluate 5(X +5)^2 -2 when x = 12 | 
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| Remember that when you are evaluating expressions separated by a vinculum, you must place each expression in parentheses on the top or bottom of the vinculum. | |
| 2(5)^3+ 35 8(3+2) |
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