HSN-RN.B.3

Explain why the sum or product of rational numbers is rational; that the sum of a rational number and an irrational number is irrational; and that the product of a nonzero rational number and an irrational number is irrational.

 
7 Lesson(s)
   

Operation Rational Irrational Numbers

8th Grade Math » Unit: Relationships between Quantities/Reasoning with Equations
8th Grade Math » Unit: Relationships between Quantities/Reasoning with Equations
Mauricio Beltre
Orlando, FL
Environment: Urban
 
Big Idea:

Real numbers are either rational or irrational. But do we know the nature of sums and products of these real numbers?

 
Favorites (36)
 
Resources (14)
operation image
   

Complex Numbers and Quadratic Equations Test

Algebra II » Unit: Complex Numbers and Quadratic Equations
Algebra II » Unit: Complex Numbers and Quadratic Equations
Amelia Jamison
Caldwell, ID
Environment: Rural
 
Big Idea:

Test student on their knowledge of complex numbers and quadratic equations..

 
Favorites (1)
 
Resources (10)
image quadratic equations
   

Manipulating Rational and Irrational Numbers

Algebra I » Unit: Its Not Always a Straight Answer: Linear Equations and Inequalities in 1 Variable
Algebra I » Unit: Its Not Always a Straight Answer: Linear Equations and Inequalities in 1 Variable
Jason Colombino
Salem, MA
Environment: Urban
 
Big Idea:

Students compare and contrast rational and irrational numbers to identify patterns and define a structure for working with both sets of numbers!

 
Favorites (8)
 
Resources (28)
 
Reflections (2)
pic rational irrational numbers
   

Simplifying Square Roots

Algebra II » Unit: Complex Numbers and Quadratic Equations
Algebra II » Unit: Complex Numbers and Quadratic Equations
Amelia Jamison
Caldwell, ID
Environment: Rural
 
Big Idea:

Area models introduce this Common Core transitional lesson on simplifying square roots.

 
Favorites (2)
 
Resources (25)
 
Reflections (2)
image simplifying radicals
   

Complex Numbers and Quadratic Equations Review

Algebra II » Unit: Complex Numbers and Quadratic Equations
Algebra II » Unit: Complex Numbers and Quadratic Equations
Amelia Jamison
Caldwell, ID
Environment: Rural
 
Big Idea:

Students create a personal study plan as they review complex numbers and quadratic equations.

 
Favorites (1)
 
Resources (16)
image quadratic equations
   

The Real Number System

Algebra II » Unit: Complex Numbers and Quadratic Equations
Algebra II » Unit: Complex Numbers and Quadratic Equations
Amelia Jamison
Caldwell, ID
Environment: Rural
 
Big Idea:

This lesson relates the real number system to its historical perspective.

 
Favorites (28)
 
Resources (34)
 
Reflections (3)
image real number
   

Real and Complex Number System Quiz

Algebra II » Unit: Complex Numbers and Quadratic Equations
Algebra II » Unit: Complex Numbers and Quadratic Equations
Amelia Jamison
Caldwell, ID
Environment: Rural
 
Big Idea:

This formative assessment assesses student proficiency in identifying the membership of any given number into the real, imaginary and complex number systems.

 
Favorites (2)
 
Resources (15)
number system quiz
Common Core Math
 
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