# Rational & Irrational Numbers

0
0

Curipod lesson about topic "Rational & Irrational Numbers"

## nmclean

Updated 5 months ago

1. Word cloud
60 seconds
What different types of numbers are there?
2. Slide
60 seconds
I know what a rational number is and can give an example I know what an irrational number is and can give an example
Learning Targets:
3. Slide
120 seconds
Standards Wall
4. Slide
60 seconds
Different numbers fall into different categories (as shown below):
5. Slide
60 seconds
A positive counting number (not including 0)
Natural Numbers
6. Slide
60 seconds
The counting numbers starting with 0 [Natural Numbers and 0]
Whole Numbers
7. Slide
60 seconds
A positive whole number or its opposite
Integers Numbers
8. Slide
60 seconds
Rational numbers are numbers that can be expressed as a fraction Irrational numbers
Rational & Irrational Numbers
9. Slide
60 seconds
Rational Numbers: Irrational Numbers: -> Examples: include pi, square roots and cube roots
Concepts:
10. Word cloud
60 seconds
What does this symbol mean?
11. Slide
60 seconds
The decimal representation of a rational number will either repeat or terminate The decimal representation of an irrational number will neither repeat nor terminate Pi (3.14159...) is an irrational number and is used in many mathematical equations
Fun Facts:
12. Open question
120 seconds
Name one example of a rational number and one example of an irrational number.
13. Drawings
240 seconds
Brain break: Draw a self-portrait of you as a robot with a pet unicorn.
14. Poll
60 seconds
What is the square root of 9?
• 3
• -3
• 9
• 0.5
15. Poll
60 seconds
What is a rational number?
• A number that can be expressed as a fraction
• A number that cannot be expressed as a fraction
• A number that can be expressed as a decimal
• A number that can be expressed as an integer
16. Poll
60 seconds
What is an irrational number?
• A number that cannot be expressed as a fraction
• A number that can be expressed as a fraction
• A number that can be expressed as a decimal
• A number that can be expressed as an integer
17. Poll
60 seconds
Which of the following is an irrational number?
• 2.5
• √81
• √7
• 1
18. Poll
60 seconds
Which of the following is an irrational number?
• 1/2
• √1
• 0
• √2