The Set of Irrational Numbers
Mathematics 7
Index
1. Objectives
2. Quick Review
3. Exercise
4. Lesson Proper
5. Practice
6. Assessment
Objectives
at the end of the lesson, the students are expected to:
a. describe the principal roots and tell whether they are rational or irrational
b. determine where the square root of a number lies between two integers
c. plot irational numbers on the number line
The Golden Ratio
Egypt's Pyramid
Facial Features
India's Taj Mahal
Greece's Parthenon
Irrational number
- is a set of numbers that cannot be written as fraction because:• It is not terminating
• It is not repeating
Definition of Terms
Radical Symbol - read as "the square root of"
Index- the number that indicates the root
Radicand- the nunmber inside the radical sign
Finding the Perfect Square Root
- the square root of a number is a reverse process of squaring a number
Example of not perfect squares:
Example of perfect squares:
VS
- √5 = 2.2360679775
- √26 = 5.09901951359
- √(4/47) = 2/(√47 )
- √49 = 7
- √0.04 = 0.02
- √(9/100) = 3/10
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Transcript
The Set of Irrational Numbers
Mathematics 7
Index
1. Objectives
2. Quick Review
3. Exercise
4. Lesson Proper
5. Practice
6. Assessment
Objectives
at the end of the lesson, the students are expected to:
a. describe the principal roots and tell whether they are rational or irrational
b. determine where the square root of a number lies between two integers
c. plot irational numbers on the number line
The Golden Ratio
Egypt's Pyramid
Facial Features
India's Taj Mahal
Greece's Parthenon
Irrational number
- is a set of numbers that cannot be written as fraction because:• It is not terminating • It is not repeating
Definition of Terms
Radical Symbol - read as "the square root of"
Index- the number that indicates the root
Radicand- the nunmber inside the radical sign
Finding the Perfect Square Root
- the square root of a number is a reverse process of squaring a number
Example of not perfect squares:
Example of perfect squares:
VS
Services
Euismod tincidunt ut laoreet dolore magna aliquam erat volutpat amet.
Euismod tincidunt ut laoreet dolore magna aliquam erat volutpat amet.
Euismod tincidunt ut laoreet dolore magna aliquam erat volutpat amet.
+ info
+ info
+ info
Timeline
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Graphics
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17.520
Table
Video
Lorem Ipsum
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+ info
35%
Map
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