math 7 th grade 3/16. monday: bell work *show work use notebook paper and create the bell work grid...
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Math Math 77thth grade grade
3/163/16
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Monday: BELL WORK Monday: BELL WORK * *SHOW WORKSHOW WORK
Use notebook paper and create the Use notebook paper and create the bell work grid bell work grid
Make sure you put the correct letterMake sure you put the correct letter DatDate e
WorkWork AnsweAnswerr
3/13/166
3/13/177
3/13/188
3/23/200
**show work- do not just write down an answershow work- do not just write down an answer
Ramona scored 84% on her math test.Bryan correctly answered _ 4/5 of the test questions. Tori scored 44 out of 50.Rance completed 0.86 of thequestions correctly. Each test question is worth the same amount. Who has the best score?
F RamonaG BryanH ToriJ Rance
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AGENDAAGENDA
•1- bell work1- bell work•2- Agenda-2- Agenda-•Review QuizReview Quiz•Review BenchmarkReview Benchmark3- Objective 3- Objective
•4- lesson review recent tests/ go 4- lesson review recent tests/ go over projectover project•5- exit ticket5- exit ticket
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OBJECTIVE OBJECTIVE
All skills All skills
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BenchmarkBenchmark We will review the skills from the We will review the skills from the
benchmark that we tested on. benchmark that we tested on. Please have your test copy out as we Please have your test copy out as we review the test. review the test.
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QuizQuiz We will review the skills from the We will review the skills from the
quiz that we tested on. Please have quiz that we tested on. Please have your test copy out as we review the your test copy out as we review the test. test.
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Project
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EXIT TICKETEXIT TICKET
Discuss with your partner Discuss with your partner
What challenges did you What challenges did you have on the benchmark? have on the benchmark?
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Tuesday: BELL WORK Tuesday: BELL WORK * *SHOW WORKSHOW WORK
**show work- do not just write down an answershow work- do not just write down an answer
The area of a square field is14,400 square feet, as shown below.What is the length of one side ofthe field?A = 14,400 ft2.
F 100 feetG 110 feetH 112 feetJ 120 feet
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AGENDAAGENDA
•1- bell work1- bell work•2- Agenda- 2- Agenda- •Homework WB p. 60Homework WB p. 60•project due 3/25 project due 3/25 3- Objective 3- Objective
•4- lesson – MMMR (measures of 4- lesson – MMMR (measures of central tendency) and Box & central tendency) and Box & Whisker PlotsWhisker Plots•5- exit ticket5- exit ticket
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OBJECTIVE OBJECTIVE
SPI 0706.5.3 Calculate and interpret SPI 0706.5.3 Calculate and interpret the mean, median, upper-quartile, the mean, median, upper-quartile, lower-quartile, and interquartile range lower-quartile, and interquartile range of a set of data.of a set of data.
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Measures of Central TendencyMeasures of Central Tendency
Median ValueThe Median is the "middle number"
(in a sorted list of numbers).
To find the Median, place the numbers in value order and find the middle
number.
MeanThe mean is the average of the
numbers.It is easy to calculate: add up all the numbers, then divide by how many numbers there are.
ModeTo find the mode, or modal value, first put the numbers in order, then count how many of each number. A number that appears most often is the mode.If all numbers appear an equal amount then there is no mode.
Range The Range is the difference between the lowest and highest values. To find it subtract the Largest #- smallest #
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Median examplesMedian examples
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Mean examplesMean examples
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Mode examplesMode examples
Example:1, 2, 4, 8, 9, 10, 12No mode- **if all appear an equal number of times
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Range examplesRange examples
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EXIT TICKETEXIT TICKET
Discuss with your partner Discuss with your partner
Discuss the 4 measures of Discuss the 4 measures of central tendency and what central tendency and what each one means. each one means.
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Wednesday: BELL WORK Wednesday: BELL WORK * *SHOW WORKSHOW WORK
**show work- do not just write down an answershow work- do not just write down an answer
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AGENDAAGENDA
•1- bell work1- bell work•2- Agenda- project due 3/25 2- Agenda- project due 3/25 •Workbook p. 63Workbook p. 633- Objective 3- Objective
•4- lesson – MMMR (measures of 4- lesson – MMMR (measures of central tendency) and Box & central tendency) and Box & Whisker PlotsWhisker Plots•5- exit ticket5- exit ticket
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OBJECTIVE OBJECTIVE
SPI 0706.5.3 Calculate and interpret SPI 0706.5.3 Calculate and interpret the mean, median, upper-quartile, the mean, median, upper-quartile, lower-quartile, and interquartile range lower-quartile, and interquartile range of a set of data.of a set of data.
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Box and Whisker PlotsBox and Whisker Plots
Box and whisker plot is a way of displaying data.
It has 5 parts.
Lower extreme (lowest number in the data set)
Lower quartile (1st quartile) (median of the “lower” numbers)
Median (2nd quartile) (middle number of the data set)
Upper quartile (3rd quartile) median of the “upper” numbers)
Upper extreme (highest number in the data set)
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To find the quartilesTo find the quartiles
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Look at what happens when you have Look at what happens when you have to find the mean for your medianto find the mean for your median
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Range vs Interquartile RangeRange vs Interquartile Range Range looks at the whole data Range looks at the whole data
Largest – smallest = rangeLargest – smallest = range
Interquartile Range looks at the data in the Interquartile Range looks at the data in the box box Upper quartile – lowest quartile = interquartile range Upper quartile – lowest quartile = interquartile range
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EXIT TICKETEXIT TICKET
Discuss with your partner Discuss with your partner
Which measure of central Which measure of central tendency do you use the most tendency do you use the most for box and whisker plots?for box and whisker plots?
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Thursday: BELL WORK Thursday: BELL WORK Have a pencil and calculator on your desk.
N2KCritical Thinking:Solve for the measures of central tendency and see which one is 12.2. Show work for all.
CR:Using the table answer the questions about the data.
When done- turn in and work on project
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Friday: BELL WORK Friday: BELL WORK * *SHOW WORKSHOW WORK
**show work- do not just write down an answershow work- do not just write down an answer
Turn in bell work today when you are done
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AGENDAAGENDA
•1- bell work1- bell work•2- Agenda- project due 3/25 2- Agenda- project due 3/25 •WorksheetWorksheet3- Objective 3- Objective
•4- lesson –Box & Whisker Plots4- lesson –Box & Whisker Plots•5- exit ticket5- exit ticket
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OBJECTIVE OBJECTIVE
SPI 0706.5.3 Calculate and interpret SPI 0706.5.3 Calculate and interpret the mean, median, upper-quartile, the mean, median, upper-quartile, lower-quartile, and interquartile range lower-quartile, and interquartile range of a set of data.of a set of data.
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Box and Whisker PlotsBox and Whisker Plots
Review the partsReview the parts
Worksheet Worksheet
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EXIT TICKETEXIT TICKET
Discuss with your partner Discuss with your partner
What is the difference What is the difference between range and between range and interquartile range? interquartile range?