Everyday Math Grade 4 – Lesson 2.6 The Median Copyright © 2010 Kelly Mott.

Everyday MathGrade 4 – Lesson 2.6

The Median

Lesson Components:Part 1: Math Boxes 2.6 Page 38Part 2: Review Part 3: PowerPointPart 4: Math Journal Page 37

Math Boxes Lesson 2.6

Math Box 1:

Math Box 2:

Math Box 3:

Math Box 4:

Math Box 5:

Math Box 6:

REVIEW

Name Collection Box

Place Value

Helpful Hint: You can think of each period as a family.

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

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

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? ___________________________

Expanded Form Practice 1Problem 1: 760,205,301

__________________ + __________________ + __________________ + __________________ + __________________ + __________________

Problem 2: 513,048,072 __________________ + __________________ + __________________ + __________________ + __________________ + __________________ + __________________

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.)

Definitions

Lesson 2.6Organize and Collect Data

The Median

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.

Definitions

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

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)?

_________________________________________________________

Interpret Data

Age of Boys in Our Class

Age of Boys

Number of Boys

1. What is the maximum age?

_________________________________________________________

2. What is the minimum age?

_________________________________________________________

5. What is the median age (middle number)?

_________________________________________________________

Interpret Data

Age of Girls in Our Class

Age of Girls

Number of Girls

1. What is the maximum age?

_________________________________________________________

2. What is the minimum age?

_________________________________________________________

5. What is the median age (middle number)?

_________________________________________________________

Interpret Data

Does this make sense?

HOMEWORKEvery Day Math Journal Page 37

Interpret Data

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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