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# Monthly Archives: March 2007

## Day 134

Happy Easter! Pre-Algebra: Chapter 10 Review We have a practice test packet that we worked on today. Make sure that you know how to make stem and leaf, box and whisker and event trees and probability of independent and dependent … Continue reading

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## Day 133

Pre-Algebra: Chapter 10 Review Be ready for the Chapter 10 Review tomorrow. Review stem and leaf and box and whisker plots. Review as well making trees and numbers of ways that events can occur and make sure that you know … Continue reading

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## Day 132

Pre-Algebra: Chapter 10-10 Independent and Dependent Events and Probability We’re putting Lesson 10 on hold and spending a little more time on independent and dependent events. See yesterday’s post and the homework for tonight is page 109 and 110, the … Continue reading

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## Day 131

Pre-Algebra: Chapter 10-9 Probability of Independent and Dependent Events There are 2 kinds of probability, independent and dependent events. With independent events, like taking marbles out of a bag (but putting them back in – that is the number of … Continue reading

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## Day 130

Pre-Algebra: Chapter 10-8 Problem Solving Strategy Use a Simulation A simulation is an application of the Acting It Out problem solving strategy. A simulation acts out the event so that you can see the outcomes. Examples 1 and 2 on … Continue reading

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## Day 129

Pre-Algebra: Chapter 10, Lesson 5 Counting (we skipped Lesson 4 deliberately) We learned the Fundamental Counting Principle: If event X can occur in “a” ways and is followed by event Y that can occur in “b” ways, then the event … Continue reading

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## Day 128

Pre-Algebra: Chapter 10-3 Box and Whisker Plots A box and whisker plot summarizes data using the median, the upper and lower quartiles and the highest and lowest extreme values. See this link to do a few examples. It’s easier to … Continue reading

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## Day 127

Pre-Algebra: Chapter 10, Lesson 2 Measures of Variation Definitions: RANGE: The range of a set of numbers is the difference between the least and the greatest number in the set. MEDIAN: The middle number in a given data set. IF … Continue reading

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## Day 126

Pre-Algebra: Chapter 10-1 Stem and Leaf Plots Stem and leaf plots are a handy and quick way to show data trends. In a stem and leaf plot, the greatest place value common to all the data values is usually used … Continue reading

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## Day 125

Pre-Algebra: Chapter 9 Test Today, there is NO homework! Algebra: Chapter 10-10 Complex Rational Expressions To simplify a complex rational expression, multiply the numerator and denominator by an expression equivalent to 1. The expression selected should use the least common … Continue reading

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