Everyday Math Grade 4 – Lesson 2.6 The Median Copyright © 2010 Kelly Mott.
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Transcript of Everyday Math Grade 4 – Lesson 2.6 The Median Copyright © 2010 Kelly Mott.
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Everyday MathGrade 4 – Lesson 2.6
The Median
Copyright © 2010 Kelly Mott
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Lesson Components:Part 1: Math Boxes 2.6 Page 38Part 2: Review Part 3: PowerPointPart 4: Math Journal Page 37
Copyright © 2010 Kelly Mott
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Copyright © 2010 Kelly Mott
Math Boxes Lesson 2.6
Page 38
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Copyright © 2010 Kelly Mott
Math Box 1:
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Copyright © 2010 Kelly Mott
Math Box 2:
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Copyright © 2010 Kelly Mott
Math Box 3:
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Copyright © 2010 Kelly Mott
Math Box 4:
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Copyright © 2010 Kelly Mott
Math Box 5:
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Copyright © 2010 Kelly Mott
Math Box 6:
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Copyright © 2010 Kelly Mott
REVIEW
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Copyright © 2010 Kelly Mott
Name Collection Box
10
1
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Copyright © 2010 Kelly Mott
Place Value
Helpful Hint: You can think of each period as a family.
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What number is in the ten’s place? ____________________________ hundred thousand’s place? ________________ ten million’s place? ______________________ thousand’s place? _______________________
Place Value Practice 1
305 2 7 14 86
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What number is in the hundred’s place? ________________________ hundred million’s place? __________________ ten thousand’s place? ____________________ million’s place? _________________________
Place Value Practice 2
305 2 7 14 86
3
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Value of a Number Practice 1Problem #1:290, 763, 891What is the 3 worth? ___________________________
Problem#2:856, 742, 121What is the 5 worth? ___________________________
Problem#3:260, 158, 403What is the 4 worth? ___________________________
Copyright © 2010 Kelly Mott
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Expanded Form Practice 1Problem 1: 760,205,301
__________________ + __________________ + __________________ + __________________ + __________________ + __________________
Problem 2: 513,048,072 __________________ + __________________ + __________________ + __________________ + __________________ + __________________ + __________________
Copyright © 2010 Kelly Mott
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1. The _______________ is the smallest number in a set.
2. The _______________ is the largest number in a set.
3. The _______________ is the difference between the minimum and maximum. (Found by subtracting largest – smallest)
4. The _______________ is the most frequent number in a set of numbers. (It offers the most often.)
Copyright © 2010 Kelly Mott
Definitions
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Copyright © 2010 Kelly Mott
Lesson 2.6Organize and Collect Data
The Median
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1. The _______________ is the middle number in a set. (It is found by listing all of the numbers in a set in order from small to big…then crossing out left…then right…left…then right…until you reach the middle number.)
Note: If you have two numbers left in the middle you must add the two numbers and divide by 2.
Copyright © 2010 Kelly Mott
Definitions
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Copyright © 2010 Kelly Mott
Line Plot - Organize and Collect Data
Class Data on Number of Pets
Number of Pets Per Family
Number of Pets
0 1 2 3 4 5 6 7 8 9 10 118
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1. What is the maximum number of pets per family?
_________________________________________________________
2. What is the minimum number of pets per family?
_________________________________________________________
3. What is the range (maximum – minimum)?
_________________________________________________________
4. What is the mode (most frequent) ?
_________________________________________________________
5. What is the median (middle number)?
_________________________________________________________
Copyright © 2010 Kelly Mott
Interpret Data
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8 9Copyright © 2012 Kelly Mott
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Copyright © 2010 Kelly Mott
Line Plot - Organize and Collect Data
Age of Boys in Our Class
Age of Boys
Number of Boys
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1. What is the maximum age?
_________________________________________________________
2. What is the minimum age?
_________________________________________________________
3. What is the range (maximum – minimum)?
_________________________________________________________
4. What is the mode (most frequent) ?
_________________________________________________________
5. What is the median age (middle number)?
_________________________________________________________
Copyright © 2010 Kelly Mott
Interpret Data
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10 11Copyright © 2012 Kelly Mott
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Copyright © 2010 Kelly Mott
Line Plot - Organize and Collect Data
Age of Girls in Our Class
Age of Girls
Number of Girls
12
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1. What is the maximum age?
_________________________________________________________
2. What is the minimum age?
_________________________________________________________
3. What is the range (maximum – minimum)?
_________________________________________________________
4. What is the mode (most frequent) ?
_________________________________________________________
5. What is the median age (middle number)?
_________________________________________________________
Copyright © 2010 Kelly Mott
Interpret Data
13
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12 9Copyright © 2012 Kelly Mott
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Copyright © 2010 Kelly Mott
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Does this make sense?
Copyright © 2010 Kelly Mott
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HOMEWORKEvery Day Math Journal Page 37
Copyright © 20010Kelly Mott
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Copyright © 2010 Kelly Mott
Line Plot - Organize and Collect Data
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Copyright © 2010 Kelly Mott
Interpret Data
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