8.EE.A.2

Use square root and cube root symbols to represent solutions to equations of the form x2 = p and x3 = p, where p is a positive rational number. Evaluate square roots of small perfect squares and cube roots of small perfect cubes. Know that √2 is irrational.

 
58 Lesson(s)
   

Understanding Perfect Squares and Square Roots

8th Grade Math » Unit: Exponents and Radicals
8th Grade Math » Unit: Exponents and Radicals
Christa  Lemily
Bowling Green, KY
Environment: Suburban
 
Big Idea:

Explore with manipulatives why some numbers are perfect squares and others are not then how this translates into square roots!

 
Favorites (54)
 
Resources (24)
 
Reflections (3)
perfect squares lesson image resized
   

Pay it Forward

8th Grade Math » Unit: Law and Order: Special Exponents Unit
8th Grade Math » Unit: Law and Order: Special Exponents Unit
Shaun Errichiello
New York, NY
Environment: Urban
 
Big Idea:

Exponential growth can have an amazing impact in a small amount of time.

 
Favorites (47)
 
Resources (7)
payitforward1
   

Dig In! Day 2

Geometry » Unit: Tools of Geometry
Geometry » Unit: Tools of Geometry
Beth Menzie
Amsterdam, NY
Environment: Urban
 
Big Idea:

What's true about the area and perimeter of our polygons from Part 1? To find out: Dig in!

 
Favorites (9)
 
Resources (29)
 
Reflections (2)
the areas are all the same
   

Long Distance Relationships Project

8th Grade Math » Unit: Scale of the Universe: Fluency and Applications
8th Grade Math » Unit: Scale of the Universe: Fluency and Applications
Shaun Errichiello
New York, NY
Environment: Urban
 
Big Idea:

We can use the concept of distance, rate and time to add context to large numbers.

 
Favorites (9)
 
Resources (9)
long distance
   

The Digital Scientific Notation Worksheet

8th Grade Math » Unit: Scale of the Universe: Fluency and Applications
8th Grade Math » Unit: Scale of the Universe: Fluency and Applications
Shaun Errichiello
New York, NY
Environment: Urban
 
Big Idea:

Students benefit from the opportunity to practice solving a wide variety of questions.

 
Favorites (9)
 
Resources (14)
 
Reflections (1)
dsn workseet image
   

How big is that?

8th Grade Math » Unit: Scale of the Universe: Fluency and Applications
8th Grade Math » Unit: Scale of the Universe: Fluency and Applications
Shaun Errichiello
New York, NY
Environment: Urban
 
Big Idea:

The only way to work fluently with large numbers is by using your number sense and the laws of exponents.

 
Favorites (10)
 
Resources (32)
how big is that lesson image
   

Stringing in Zero

8th Grade Math » Unit: Law and Order: Special Exponents Unit
8th Grade Math » Unit: Law and Order: Special Exponents Unit
Shaun Errichiello
New York, NY
Environment: Urban
 
Big Idea:

Students can develop their intuition around the laws of exponents by using the patterns formed in strings.

 
Favorites (4)
 
Resources (12)
 
Reflections (1)
stringing in zero image
   

Chess and the Monsters

8th Grade Math » Unit: Gimme the Base: More with Exponents
8th Grade Math » Unit: Gimme the Base: More with Exponents
Shaun Errichiello
New York, NY
Environment: Urban
 
Big Idea:

Exponential growth is amazing to talk about, but even more wonderful to see.

 
Favorites (2)
 
Resources (9)
chess and the monsters
   

Homework and Exponents

8th Grade Math » Unit: Gimme the Base: More with Exponents
8th Grade Math » Unit: Gimme the Base: More with Exponents
Shaun Errichiello
New York, NY
Environment: Urban
 
Big Idea:

We can add choice to our homework routines and help students take ownership of the homework process

 
Favorites (2)
 
Resources (9)
 
Reflections (1)
shaun teaches
   

The Universcale (A Project)

8th Grade Math » Unit: Scale of the Universe: Fluency and Applications
8th Grade Math » Unit: Scale of the Universe: Fluency and Applications
Shaun Errichiello
New York, NY
Environment: Urban
 
Big Idea:

Sometimes we can best understand our universe by looking at extremes

 
Favorites (9)
 
Resources (8)
universcale
   

Long Distance Relationship Follow Up

8th Grade Math » Unit: Scale of the Universe: Fluency and Applications
8th Grade Math » Unit: Scale of the Universe: Fluency and Applications
Shaun Errichiello
New York, NY
Environment: Urban
 
Big Idea:

Students love to review each others work.

 
Resources (4)
gallery walk
   

Universcale Project Follow Up

8th Grade Math » Unit: Scale of the Universe: Fluency and Applications
8th Grade Math » Unit: Scale of the Universe: Fluency and Applications
Shaun Errichiello
New York, NY
Environment: Urban
 
Big Idea:

Students love to review each others work.

 
Favorites (2)
 
Resources (4)
gallery walk
   

Separate the Radicals

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:

Radical expressions are common in geometry, trigonometry, and in the building professions. The voltage formula in electrical engineering for example, is V = √PR. Students need to be confident solving radical equations.

 
Favorites (5)
 
Resources (9)
radical image
   

Khan Academy on Positive and Zero Exponents

8th Grade Math » Unit: Law and Order: Special Exponents Unit
8th Grade Math » Unit: Law and Order: Special Exponents Unit
Shaun Errichiello
New York, NY
Environment: Urban
 
Big Idea:

Students need as many opportunities to practice and reflect

 
Favorites (2)
 
Resources (13)
 
Reflections (2)
zero exponents
   

Zettabytes

8th Grade Math » Unit: Law and Order: Special Exponents Unit
8th Grade Math » Unit: Law and Order: Special Exponents Unit
Shaun Errichiello
New York, NY
Environment: Urban
 
Big Idea:

There is an incredible amount of storage space that we incorrectly quantify. The only way to understand these discrepancies is to use exponential notation.

 
Favorites (1)
 
Resources (11)
zettabytes resized
Common Core Math
 
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