1. Review Lesson 11­7­12.notebook November 08, 2012
OBJECTIVE: Review
Do Now
The low temperature on Tuesday was -2℃
and the high temperature was 15℃. What is
the difference in these two temperatures?
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2. Review Lesson 11­7­12.notebook November 08, 2012
Evaluate the following numeric expressions
using the order of operations.
2.) 1 + 2 1
3 5
(-2 + 2 )
1.) -4 - 3 7 - 9
3.)
3
5
-5 ÷2
6
1
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3. Review Lesson 11­7­12.notebook November 08, 2012
Ratio: a comparison of two quantities by division.
Rate: A ratio that compares two quantities measured in
different units.
Example: A person drove 75 miles in 3 hours.
Unit Rate: A rate where the second quantity is one unit.
Example: A person drove at a rate of 25 miles per 1 hour.
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4. Review Lesson 11­7­12.notebook November 08, 2012
Which car is more energy
efficient?
Car A 4800 miles using 150
gallons of gasoline.
Car B 7600 miles using 190
gallons of gasoline.
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5. Review Lesson 11­7­12.notebook November 08, 2012
Deal A Deal B
8 oz. for $18 64 oz. for $112
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6. Review Lesson 11­7­12.notebook November 08, 2012
Before You Leave
Trade a Problem
With your partner, create a problem similar to the examples in
today‛s lesson. You will then trade with another partnership and
answer their question.
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7. Review Lesson 11­7­12.notebook November 08, 2012
Mr. Tjersland's Math 7
Cumulative Review due ?
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