Assess Readiness
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Start with Part A. What expression represents the total distance Michael runs per week with his original workout plan?
4
\times 2 + 3 -
To evaluate this expression, which operation should you perform first?
Multiplication.
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What is the total distance Michael runs per week with his original workout plan?
11 miles.
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Recall that the expression
4\times 2 represents the total distance he ran for the first 4 days of the week. How would you write an expression with parentheses that represents double this distance?2(4
\times 2) -
What expression represents the total distance he will run each week on his new plan?
2(4
\times 2) + 3 -
What should you do first to evaluate this expression?
Multiply the terms within the parentheses.
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Now that you have simplified your expression to 2(8) + 3, which operation should you perform next?
Multiply 2 by 8.
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How many miles will Michael run per week with his new workout plan?
19 miles.
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Now look at Part B. What multiplication sentence represents how much Margot plans to run in the second phase of her workout plan?
10
\times 10 -
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In any exponential expression, what does the exponent represent and what does the base represent?
The exponent tells you how many times you multiply the base by itself.
| ASSESS READINESS | MISCONCEPTIONS | WARM UP | FOCUS | EXTEND | FINISH |